Finding the Fourth Proportional to 22,978.08, 34,440.66 and 13,124.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,978.08 : 34,440.66 = 13,124.43 : x
2. Step 2: Convert to fraction form
   22,978.08/34,440.66 = 13,124.43/x
3. Step 3: Cross multiply
   22,978.08x = 34,440.66 × 13,124.43
4. Step 4: Simplify right side
   22,978.08x = 452,014,031.32
5. Step 5: Solve for x
   x = 452,014,031.32/22,978.08
6. Step 6: Final answer
   x = 19,671.53