Finding the Fourth Proportional to 1,755,128.76, 2,632,693.15 and 425,432.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,755,128.76 : 2,632,693.15 = 425,432.76 : x
2. Step 2: Convert to fraction form
   1,755,128.76/2,632,693.15 = 425,432.76/x
3. Step 3: Cross multiply
   1,755,128.76x = 2,632,693.15 × 425,432.76
4. Step 4: Simplify right side
   1,755,128.76x = 1,120,033,913,037.59
5. Step 5: Solve for x
   x = 1,120,033,913,037.59/1,755,128.76
6. Step 6: Final answer
   x = 638,149.14