Finding the Fourth Proportional to 1,543,456.72, 2,315,272.47 and 478,650.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,543,456.72 : 2,315,272.47 = 478,650.16 : x
2. Step 2: Convert to fraction form
   1,543,456.72/2,315,272.47 = 478,650.16/x
3. Step 3: Cross multiply
   1,543,456.72x = 2,315,272.47 × 478,650.16
4. Step 4: Simplify right side
   1,543,456.72x = 1,108,205,538,209.10
5. Step 5: Solve for x
   x = 1,108,205,538,209.10/1,543,456.72
6. Step 6: Final answer
   x = 718,002.34