Finding the Fourth Proportional to 627,510.76, 866,040.42 and 359,233

Step by Step Solution

1. Step 1: Write the proportion equation
   627,510.76 : 866,040.42 = 359,233 : x
2. Step 2: Convert to fraction form
   627,510.76/866,040.42 = 359,233/x
3. Step 3: Cross multiply
   627,510.76x = 866,040.42 × 359,233
4. Step 4: Simplify right side
   627,510.76x = 311,110,298,197.86
5. Step 5: Solve for x
   x = 311,110,298,197.86/627,510.76
6. Step 6: Final answer
   x = 495,784.80