Finding the Fourth Proportional to 54,408.17, 74,959.77 and 42,101.27

Step by Step Solution

1. Step 1: Write the proportion equation
   54,408.17 : 74,959.77 = 42,101.27 : x
2. Step 2: Convert to fraction form
   54,408.17/74,959.77 = 42,101.27/x
3. Step 3: Cross multiply
   54,408.17x = 74,959.77 × 42,101.27
4. Step 4: Simplify right side
   54,408.17x = 3,155,901,515.91
5. Step 5: Solve for x
   x = 3,155,901,515.91/54,408.17
6. Step 6: Final answer
   x = 58,004.18