Finding the Fourth Proportional to 2,156,439,685.29, 3,240,347,404.43 and 1,161,196,543.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156,439,685.29 : 3,240,347,404.43 = 1,161,196,543.35 : x
2. Step 2: Convert to fraction form
   2,156,439,685.29/3,240,347,404.43 = 1,161,196,543.35/x
3. Step 3: Cross multiply
   2,156,439,685.29x = 3,240,347,404.43 × 1,161,196,543.35
4. Step 4: Simplify right side
   2,156,439,685.29x = 3,762,680,205,271,454,208
5. Step 5: Solve for x
   x = 3,762,680,205,271,454,208/2,156,439,685.29
6. Step 6: Final answer
   x = 1,744,857,614.58