Finding the Fourth Proportional to 42,022.56, 63,113.04 and 38,555.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,022.56 : 63,113.04 = 38,555.04 : x
2. Step 2: Convert to fraction form
   42,022.56/63,113.04 = 38,555.04/x
3. Step 3: Cross multiply
   42,022.56x = 63,113.04 × 38,555.04
4. Step 4: Simplify right side
   42,022.56x = 2,433,325,781.72
5. Step 5: Solve for x
   x = 2,433,325,781.72/42,022.56
6. Step 6: Final answer
   x = 57,905.22