Finding the Fourth Proportional to 9,330.39, 12,875.76 and 5,081.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,330.39 : 12,875.76 = 5,081.31 : x
2. Step 2: Convert to fraction form
   9,330.39/12,875.76 = 5,081.31/x
3. Step 3: Cross multiply
   9,330.39x = 12,875.76 × 5,081.31
4. Step 4: Simplify right side
   9,330.39x = 65,425,728.05
5. Step 5: Solve for x
   x = 65,425,728.05/9,330.39
6. Step 6: Final answer
   x = 7,012.11