Finding the Fourth Proportional to 74,734.25, 103,112.39 and 42,891.53

Step by Step Solution

1. Step 1: Write the proportion equation
   74,734.25 : 103,112.39 = 42,891.53 : x
2. Step 2: Convert to fraction form
   74,734.25/103,112.39 = 42,891.53/x
3. Step 3: Cross multiply
   74,734.25x = 103,112.39 × 42,891.53
4. Step 4: Simplify right side
   74,734.25x = 4,422,647,760.72
5. Step 5: Solve for x
   x = 4,422,647,760.72/74,734.25
6. Step 6: Final answer
   x = 59,178.33