Finding the Fourth Proportional to 8,470.32, 12,715.56 and 5,010

Step by Step Solution

1. Step 1: Write the proportion equation
   8,470.32 : 12,715.56 = 5,010 : x
2. Step 2: Convert to fraction form
   8,470.32/12,715.56 = 5,010/x
3. Step 3: Cross multiply
   8,470.32x = 12,715.56 × 5,010
4. Step 4: Simplify right side
   8,470.32x = 63,704,955.60
5. Step 5: Solve for x
   x = 63,704,955.60/8,470.32
6. Step 6: Final answer
   x = 7,520.96