Finding the Fourth Proportional to 12,718.31, 17,552.30 and 7,053.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,718.31 : 17,552.30 = 7,053.62 : x
2. Step 2: Convert to fraction form
   12,718.31/17,552.30 = 7,053.62/x
3. Step 3: Cross multiply
   12,718.31x = 17,552.30 × 7,053.62
4. Step 4: Simplify right side
   12,718.31x = 123,807,254.33
5. Step 5: Solve for x
   x = 123,807,254.33/12,718.31
6. Step 6: Final answer
   x = 9,734.57