Finding the Fourth Proportional to 74,049.32, 102,185.52 and 42,228.46

Step by Step Solution

1. Step 1: Write the proportion equation
   74,049.32 : 102,185.52 = 42,228.46 : x
2. Step 2: Convert to fraction form
   74,049.32/102,185.52 = 42,228.46/x
3. Step 3: Cross multiply
   74,049.32x = 102,185.52 × 42,228.46
4. Step 4: Simplify right side
   74,049.32x = 4,315,137,143.90
5. Step 5: Solve for x
   x = 4,315,137,143.90/74,049.32
6. Step 6: Final answer
   x = 58,273.83