Finding the Fourth Proportional to 9,331.60, 12,877.74 and 5,082.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,331.60 : 12,877.74 = 5,082.86 : x
2. Step 2: Convert to fraction form
   9,331.60/12,877.74 = 5,082.86/x
3. Step 3: Cross multiply
   9,331.60x = 12,877.74 × 5,082.86
4. Step 4: Simplify right side
   9,331.60x = 65,455,685.15
5. Step 5: Solve for x
   x = 65,455,685.15/9,331.60
6. Step 6: Final answer
   x = 7,014.42