Finding the Fourth Proportional to 10,657, 14,708.76 and 6,181.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,657 : 14,708.76 = 6,181.72 : x
2. Step 2: Convert to fraction form
   10,657/14,708.76 = 6,181.72/x
3. Step 3: Cross multiply
   10,657x = 14,708.76 × 6,181.72
4. Step 4: Simplify right side
   10,657x = 90,925,435.87
5. Step 5: Solve for x
   x = 90,925,435.87/10,657
6. Step 6: Final answer
   x = 8,531.99