Finding the Fourth Proportional to 215,206,373,436.96, 296,983,030,404.15 and 117,548,076,657.83

Step by Step Solution

1. Step 1: Write the proportion equation
   215,206,373,436.96 : 296,983,030,404.15 = 117,548,076,657.83 : x
2. Step 2: Convert to fraction form
   215,206,373,436.96/296,983,030,404.15 = 117,548,076,657.83/x
3. Step 3: Cross multiply
   215,206,373,436.96x = 296,983,030,404.15 × 117,548,076,657.83
4. Step 4: Simplify right side
   215,206,373,436.96x = 34,909,784,024,021,685,239,808
5. Step 5: Solve for x
   x = 34,909,784,024,021,685,239,808/215,206,373,436.96
6. Step 6: Final answer
   x = 162,215,381,758.89