Finding the Fourth Proportional to 1,109,441.31, 1,663,520.13 and 434,732.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109,441.31 : 1,663,520.13 = 434,732.69 : x
2. Step 2: Convert to fraction form
   1,109,441.31/1,663,520.13 = 434,732.69/x
3. Step 3: Cross multiply
   1,109,441.31x = 1,663,520.13 × 434,732.69
4. Step 4: Simplify right side
   1,109,441.31x = 723,186,572,666.45
5. Step 5: Solve for x
   x = 723,186,572,666.45/1,109,441.31
6. Step 6: Final answer
   x = 651,847.53