Finding the Fourth Proportional to 570,906.37, 787,934.72 and 329,141.72

Step by Step Solution

1. Step 1: Write the proportion equation
   570,906.37 : 787,934.72 = 329,141.72 : x
2. Step 2: Convert to fraction form
   570,906.37/787,934.72 = 329,141.72/x
3. Step 3: Cross multiply
   570,906.37x = 787,934.72 × 329,141.72
4. Step 4: Simplify right side
   570,906.37x = 259,342,188,988.52
5. Step 5: Solve for x
   x = 259,342,188,988.52/570,906.37
6. Step 6: Final answer
   x = 454,263.96