Finding the Fourth Proportional to 42,020.13, 57,986.31 and 22,899.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,020.13 : 57,986.31 = 22,899.52 : x
2. Step 2: Convert to fraction form
   42,020.13/57,986.31 = 22,899.52/x
3. Step 3: Cross multiply
   42,020.13x = 57,986.31 × 22,899.52
4. Step 4: Simplify right side
   42,020.13x = 1,327,858,490.22
5. Step 5: Solve for x
   x = 1,327,858,490.22/42,020.13
6. Step 6: Final answer
   x = 31,600.53