Finding the Fourth Proportional to 573,401.28, 859,022.96 and 336,038.88

Step by Step Solution

1. Step 1: Write the proportion equation
   573,401.28 : 859,022.96 = 336,038.88 : x
2. Step 2: Convert to fraction form
   573,401.28/859,022.96 = 336,038.88/x
3. Step 3: Cross multiply
   573,401.28x = 859,022.96 × 336,038.88
4. Step 4: Simplify right side
   573,401.28x = 288,665,113,372.69
5. Step 5: Solve for x
   x = 288,665,113,372.69/573,401.28
6. Step 6: Final answer
   x = 503,426.00