Finding the Fourth Proportional to 5,658.33, 7,811.20 and 3,981.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,658.33 : 7,811.20 = 3,981.17 : x
2. Step 2: Convert to fraction form
   5,658.33/7,811.20 = 3,981.17/x
3. Step 3: Cross multiply
   5,658.33x = 7,811.20 × 3,981.17
4. Step 4: Simplify right side
   5,658.33x = 31,097,715.10
5. Step 5: Solve for x
   x = 31,097,715.10/5,658.33
6. Step 6: Final answer
   x = 5,495.92