Finding the Fourth Proportional to 9,214.31, 12,715.79 and 5,022.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,214.31 : 12,715.79 = 5,022.56 : x
2. Step 2: Convert to fraction form
   9,214.31/12,715.79 = 5,022.56/x
3. Step 3: Cross multiply
   9,214.31x = 12,715.79 × 5,022.56
4. Step 4: Simplify right side
   9,214.31x = 63,865,824.90
5. Step 5: Solve for x
   x = 63,865,824.90/9,214.31
6. Step 6: Final answer
   x = 6,931.15