Finding the Fourth Proportional to 42,062.52, 58,123.26 and 40,012.41

Step by Step Solution

1. Step 1: Write the proportion equation
   42,062.52 : 58,123.26 = 40,012.41 : x
2. Step 2: Convert to fraction form
   42,062.52/58,123.26 = 40,012.41/x
3. Step 3: Cross multiply
   42,062.52x = 58,123.26 × 40,012.41
4. Step 4: Simplify right side
   42,062.52x = 2,325,651,709.66
5. Step 5: Solve for x
   x = 2,325,651,709.66/42,062.52
6. Step 6: Final answer
   x = 55,290.36