Finding the Fourth Proportional to 9,003,718,128.17, 12,421,056,644.43 and 5,434,284,022.85

Step by Step Solution

1. Step 1: Write the proportion equation
   9,003,718,128.17 : 12,421,056,644.43 = 5,434,284,022.85 : x
2. Step 2: Convert to fraction form
   9,003,718,128.17/12,421,056,644.43 = 5,434,284,022.85/x
3. Step 3: Cross multiply
   9,003,718,128.17x = 12,421,056,644.43 × 5,434,284,022.85
4. Step 4: Simplify right side
   9,003,718,128.17x = 67,499,549,669,740,789,760
5. Step 5: Solve for x
   x = 67,499,549,669,740,789,760/9,003,718,128.17
6. Step 6: Final answer
   x = 7,496,852,823.34