Finding the Fourth Proportional to 663,003.63, 914,705.01 and 433,691.82

Step by Step Solution

1. Step 1: Write the proportion equation
   663,003.63 : 914,705.01 = 433,691.82 : x
2. Step 2: Convert to fraction form
   663,003.63/914,705.01 = 433,691.82/x
3. Step 3: Cross multiply
   663,003.63x = 914,705.01 × 433,691.82
4. Step 4: Simplify right side
   663,003.63x = 396,700,080,550.02
5. Step 5: Solve for x
   x = 396,700,080,550.02/663,003.63
6. Step 6: Final answer
   x = 598,337.72