Finding the Fourth Proportional to 1,144,002.72, 1,716,456.06 and 434,219.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,002.72 : 1,716,456.06 = 434,219.16 : x
2. Step 2: Convert to fraction form
   1,144,002.72/1,716,456.06 = 434,219.16/x
3. Step 3: Cross multiply
   1,144,002.72x = 1,716,456.06 × 434,219.16
4. Step 4: Simplify right side
   1,144,002.72x = 745,318,108,550.11
5. Step 5: Solve for x
   x = 745,318,108,550.11/1,144,002.72
6. Step 6: Final answer
   x = 651,500.29