Finding the Fourth Proportional to 560,317.50, 773,238.15 and 359,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   560,317.50 : 773,238.15 = 359,113.50 : x
2. Step 2: Convert to fraction form
   560,317.50/773,238.15 = 359,113.50/x
3. Step 3: Cross multiply
   560,317.50x = 773,238.15 × 359,113.50
4. Step 4: Simplify right side
   560,317.50x = 277,680,258,380.03
5. Step 5: Solve for x
   x = 277,680,258,380.03/560,317.50
6. Step 6: Final answer
   x = 495,576.63