Finding the Fourth Proportional to 1,234,644.86, 1,861,221.17 and 1,152,345.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,234,644.86 : 1,861,221.17 = 1,152,345.32 : x
2. Step 2: Convert to fraction form
   1,234,644.86/1,861,221.17 = 1,152,345.32/x
3. Step 3: Cross multiply
   1,234,644.86x = 1,861,221.17 × 1,152,345.32
4. Step 4: Simplify right side
   1,234,644.86x = 2,144,769,505,288.76
5. Step 5: Solve for x
   x = 2,144,769,505,288.76/1,234,644.86
6. Step 6: Final answer
   x = 1,737,155.01