Finding the Fourth Proportional to 1,103,426,188.57, 1,655,915,025.29 and 997,928,827.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103,426,188.57 : 1,655,915,025.29 = 997,928,827.62 : x
2. Step 2: Convert to fraction form
   1,103,426,188.57/1,655,915,025.29 = 997,928,827.62/x
3. Step 3: Cross multiply
   1,103,426,188.57x = 1,655,915,025.29 × 997,928,827.62
4. Step 4: Simplify right side
   1,103,426,188.57x = 1,652,485,339,825,992,448
5. Step 5: Solve for x
   x = 1,652,485,339,825,992,448/1,103,426,188.57
6. Step 6: Final answer
   x = 1,497,594,815.99