Finding the Fourth Proportional to 74,796.77, 103,229.13 and 42,971.82

Step by Step Solution

1. Step 1: Write the proportion equation
   74,796.77 : 103,229.13 = 42,971.82 : x
2. Step 2: Convert to fraction form
   74,796.77/103,229.13 = 42,971.82/x
3. Step 3: Cross multiply
   74,796.77x = 103,229.13 × 42,971.82
4. Step 4: Simplify right side
   74,796.77x = 4,435,943,367.15
5. Step 5: Solve for x
   x = 4,435,943,367.15/74,796.77
6. Step 6: Final answer
   x = 59,306.62