Finding the Fourth Proportional to 571,582.71, 788,748.71 and 316,933.89

Step by Step Solution

1. Step 1: Write the proportion equation
   571,582.71 : 788,748.71 = 316,933.89 : x
2. Step 2: Convert to fraction form
   571,582.71/788,748.71 = 316,933.89/x
3. Step 3: Cross multiply
   571,582.71x = 788,748.71 × 316,933.89
4. Step 4: Simplify right side
   571,582.71x = 249,981,195,308.11
5. Step 5: Solve for x
   x = 249,981,195,308.11/571,582.71
6. Step 6: Final answer
   x = 437,349.12