Finding the Fourth Proportional to 12,510.72, 18,761.76 and 4,713.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,510.72 : 18,761.76 = 4,713.12 : x
2. Step 2: Convert to fraction form
   12,510.72/18,761.76 = 4,713.12/x
3. Step 3: Cross multiply
   12,510.72x = 18,761.76 × 4,713.12
4. Step 4: Simplify right side
   12,510.72x = 88,426,426.29
5. Step 5: Solve for x
   x = 88,426,426.29/12,510.72
6. Step 6: Final answer
   x = 7,068.05