Finding the Fourth Proportional to 74,767.95, 103,154.25 and 42,499.31

Step by Step Solution

1. Step 1: Write the proportion equation
   74,767.95 : 103,154.25 = 42,499.31 : x
2. Step 2: Convert to fraction form
   74,767.95/103,154.25 = 42,499.31/x
3. Step 3: Cross multiply
   74,767.95x = 103,154.25 × 42,499.31
4. Step 4: Simplify right side
   74,767.95x = 4,383,983,932.80
5. Step 5: Solve for x
   x = 4,383,983,932.80/74,767.95
6. Step 6: Final answer
   x = 58,634.53