Finding the Fourth Proportional to 42,156.72, 63,244.20 and 22,432.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,156.72 : 63,244.20 = 22,432.38 : x
2. Step 2: Convert to fraction form
   42,156.72/63,244.20 = 22,432.38/x
3. Step 3: Cross multiply
   42,156.72x = 63,244.20 × 22,432.38
4. Step 4: Simplify right side
   42,156.72x = 1,418,717,927.20
5. Step 5: Solve for x
   x = 1,418,717,927.20/42,156.72
6. Step 6: Final answer
   x = 33,653.42