Finding the Fourth Proportional to 74,948.25, 103,434.50 and 42,684.24

Step by Step Solution

1. Step 1: Write the proportion equation
   74,948.25 : 103,434.50 = 42,684.24 : x
2. Step 2: Convert to fraction form
   74,948.25/103,434.50 = 42,684.24/x
3. Step 3: Cross multiply
   74,948.25x = 103,434.50 × 42,684.24
4. Step 4: Simplify right side
   74,948.25x = 4,415,022,808.86
5. Step 5: Solve for x
   x = 4,415,022,808.86/74,948.25
6. Step 6: Final answer
   x = 58,907.62