Finding the Fourth Proportional to 10,549.52, 14,558.49 and 7,147.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,549.52 : 14,558.49 = 7,147.58 : x
2. Step 2: Convert to fraction form
   10,549.52/14,558.49 = 7,147.58/x
3. Step 3: Cross multiply
   10,549.52x = 14,558.49 × 7,147.58
4. Step 4: Simplify right side
   10,549.52x = 104,057,899.16
5. Step 5: Solve for x
   x = 104,057,899.16/10,549.52
6. Step 6: Final answer
   x = 9,863.76