Finding the Fourth Proportional to 67,524.20, 93,185.70 and 42,387.56

Step by Step Solution

1. Step 1: Write the proportion equation
   67,524.20 : 93,185.70 = 42,387.56 : x
2. Step 2: Convert to fraction form
   67,524.20/93,185.70 = 42,387.56/x
3. Step 3: Cross multiply
   67,524.20x = 93,185.70 × 42,387.56
4. Step 4: Simplify right side
   67,524.20x = 3,949,914,449.89
5. Step 5: Solve for x
   x = 3,949,914,449.89/67,524.20
6. Step 6: Final answer
   x = 58,496.28