Finding the Fourth Proportional to 74,949.25, 103,435.88 and 42,685.24

Step by Step Solution

1. Step 1: Write the proportion equation
   74,949.25 : 103,435.88 = 42,685.24 : x
2. Step 2: Convert to fraction form
   74,949.25/103,435.88 = 42,685.24/x
3. Step 3: Cross multiply
   74,949.25x = 103,435.88 × 42,685.24
4. Step 4: Simplify right side
   74,949.25x = 4,415,185,362.41
5. Step 5: Solve for x
   x = 4,415,185,362.41/74,949.25
6. Step 6: Final answer
   x = 58,909.00