Finding the Fourth Proportional to 22,960.52, 34,407.89 and 13,079.40

Step by Step Solution

1. Step 1: Write the proportion equation
   22,960.52 : 34,407.89 = 13,079.40 : x
2. Step 2: Convert to fraction form
   22,960.52/34,407.89 = 13,079.40/x
3. Step 3: Cross multiply
   22,960.52x = 34,407.89 × 13,079.40
4. Step 4: Simplify right side
   22,960.52x = 450,034,384.43
5. Step 5: Solve for x
   x = 450,034,384.43/22,960.52
6. Step 6: Final answer
   x = 19,600.36