Finding the Fourth Proportional to 10,961.59, 15,127.06 and 5,925.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,961.59 : 15,127.06 = 5,925.80 : x
2. Step 2: Convert to fraction form
   10,961.59/15,127.06 = 5,925.80/x
3. Step 3: Cross multiply
   10,961.59x = 15,127.06 × 5,925.80
4. Step 4: Simplify right side
   10,961.59x = 89,639,932.15
5. Step 5: Solve for x
   x = 89,639,932.15/10,961.59
6. Step 6: Final answer
   x = 8,177.64