Finding the Fourth Proportional to 12,546.71, 17,314.70 and 7,511.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,546.71 : 17,314.70 = 7,511.15 : x
2. Step 2: Convert to fraction form
   12,546.71/17,314.70 = 7,511.15/x
3. Step 3: Cross multiply
   12,546.71x = 17,314.70 × 7,511.15
4. Step 4: Simplify right side
   12,546.71x = 130,053,184.78
5. Step 5: Solve for x
   x = 130,053,184.78/12,546.71
6. Step 6: Final answer
   x = 10,365.53