Finding the Fourth Proportional to 22,900.56, 34,339.30 and 8,107.40

Step by Step Solution

1. Step 1: Write the proportion equation
   22,900.56 : 34,339.30 = 8,107.40 : x
2. Step 2: Convert to fraction form
   22,900.56/34,339.30 = 8,107.40/x
3. Step 3: Cross multiply
   22,900.56x = 34,339.30 × 8,107.40
4. Step 4: Simplify right side
   22,900.56x = 278,402,440.82
5. Step 5: Solve for x
   x = 278,402,440.82/22,900.56
6. Step 6: Final answer
   x = 12,157.01