Finding the Fourth Proportional to 42,279.76, 63,401.28 and 22,553.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,279.76 : 63,401.28 = 22,553.92 : x
2. Step 2: Convert to fraction form
   42,279.76/63,401.28 = 22,553.92/x
3. Step 3: Cross multiply
   42,279.76x = 63,401.28 × 22,553.92
4. Step 4: Simplify right side
   42,279.76x = 1,429,947,397.02
5. Step 5: Solve for x
   x = 1,429,947,397.02/42,279.76
6. Step 6: Final answer
   x = 33,821.09