Finding the Fourth Proportional to 42,414.56, 63,639.84 and 22,688

Step by Step Solution

1. Step 1: Write the proportion equation
   42,414.56 : 63,639.84 = 22,688 : x
2. Step 2: Convert to fraction form
   42,414.56/63,639.84 = 22,688/x
3. Step 3: Cross multiply
   42,414.56x = 63,639.84 × 22,688
4. Step 4: Simplify right side
   42,414.56x = 1,443,860,689.92
5. Step 5: Solve for x
   x = 1,443,860,689.92/42,414.56
6. Step 6: Final answer
   x = 34,041.63