Finding the Fourth Proportional to 5,280.32, 7,931.58 and 3,333.92

Step by Step Solution

1. Step 1: Write the proportion equation
   5,280.32 : 7,931.58 = 3,333.92 : x
2. Step 2: Convert to fraction form
   5,280.32/7,931.58 = 3,333.92/x
3. Step 3: Cross multiply
   5,280.32x = 7,931.58 × 3,333.92
4. Step 4: Simplify right side
   5,280.32x = 26,443,253.19
5. Step 5: Solve for x
   x = 26,443,253.19/5,280.32
6. Step 6: Final answer
   x = 5,007.89