Finding the Fourth Proportional to 12,524.76, 17,280.54 and 7,807.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,524.76 : 17,280.54 = 7,807.32 : x
2. Step 2: Convert to fraction form
   12,524.76/17,280.54 = 7,807.32/x
3. Step 3: Cross multiply
   12,524.76x = 17,280.54 × 7,807.32
4. Step 4: Simplify right side
   12,524.76x = 134,914,705.55
5. Step 5: Solve for x
   x = 134,914,705.55/12,524.76
6. Step 6: Final answer
   x = 10,771.84