Finding the Fourth Proportional to 10,248.72, 14,130.48 and 8,547.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,248.72 : 14,130.48 = 8,547.98 : x
2. Step 2: Convert to fraction form
   10,248.72/14,130.48 = 8,547.98/x
3. Step 3: Cross multiply
   10,248.72x = 14,130.48 × 8,547.98
4. Step 4: Simplify right side
   10,248.72x = 120,787,060.43
5. Step 5: Solve for x
   x = 120,787,060.43/10,248.72
6. Step 6: Final answer
   x = 11,785.58