Finding the Fourth Proportional to 8,321.52, 12,475.60 and 4,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,321.52 : 12,475.60 = 4,807.50 : x
2. Step 2: Convert to fraction form
   8,321.52/12,475.60 = 4,807.50/x
3. Step 3: Cross multiply
   8,321.52x = 12,475.60 × 4,807.50
4. Step 4: Simplify right side
   8,321.52x = 59,976,447
5. Step 5: Solve for x
   x = 59,976,447/8,321.52
6. Step 6: Final answer
   x = 7,207.39