Finding the Fourth Proportional to 1,005,761.72, 1,508,689.82 and 331,901.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,761.72 : 1,508,689.82 = 331,901.88 : x
2. Step 2: Convert to fraction form
   1,005,761.72/1,508,689.82 = 331,901.88/x
3. Step 3: Cross multiply
   1,005,761.72x = 1,508,689.82 × 331,901.88
4. Step 4: Simplify right side
   1,005,761.72x = 500,736,987,594.86
5. Step 5: Solve for x
   x = 500,736,987,594.86/1,005,761.72
6. Step 6: Final answer
   x = 497,868.41