Finding the Fourth Proportional to 1,150,589.48, 1,726,661.82 and 402,641.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,589.48 : 1,726,661.82 = 402,641.96 : x
2. Step 2: Convert to fraction form
   1,150,589.48/1,726,661.82 = 402,641.96/x
3. Step 3: Cross multiply
   1,150,589.48x = 1,726,661.82 × 402,641.96
4. Step 4: Simplify right side
   1,150,589.48x = 695,226,499,461.97
5. Step 5: Solve for x
   x = 695,226,499,461.97/1,150,589.48
6. Step 6: Final answer
   x = 604,235.06