Finding the Fourth Proportional to 291,140,111.50, 436,564,133.96 and 96,983,267.02

Step by Step Solution

1. Step 1: Write the proportion equation
   291,140,111.50 : 436,564,133.96 = 96,983,267.02 : x
2. Step 2: Convert to fraction form
   291,140,111.50/436,564,133.96 = 96,983,267.02/x
3. Step 3: Cross multiply
   291,140,111.50x = 436,564,133.96 × 96,983,267.02
4. Step 4: Simplify right side
   291,140,111.50x = 42,339,415,973,621,400
5. Step 5: Solve for x
   x = 42,339,415,973,621,400/291,140,111.50
6. Step 6: Final answer
   x = 145,426,254.58