Finding the Fourth Proportional to 10,554.72, 14,555.88 and 9,062.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,554.72 : 14,555.88 = 9,062.16 : x
2. Step 2: Convert to fraction form
   10,554.72/14,555.88 = 9,062.16/x
3. Step 3: Cross multiply
   10,554.72x = 14,555.88 × 9,062.16
4. Step 4: Simplify right side
   10,554.72x = 131,907,713.50
5. Step 5: Solve for x
   x = 131,907,713.50/10,554.72
6. Step 6: Final answer
   x = 12,497.51