Finding the Fourth Proportional to 42,187.78, 63,396.63 and 22,480.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,187.78 : 63,396.63 = 22,480.42 : x
2. Step 2: Convert to fraction form
   42,187.78/63,396.63 = 22,480.42/x
3. Step 3: Cross multiply
   42,187.78x = 63,396.63 × 22,480.42
4. Step 4: Simplify right side
   42,187.78x = 1,425,182,868.98
5. Step 5: Solve for x
   x = 1,425,182,868.98/42,187.78
6. Step 6: Final answer
   x = 33,781.89