Finding the Fourth Proportional to 59,250.50, 81,716.96 and 42,249.30

Step by Step Solution

1. Step 1: Write the proportion equation
   59,250.50 : 81,716.96 = 42,249.30 : x
2. Step 2: Convert to fraction form
   59,250.50/81,716.96 = 42,249.30/x
3. Step 3: Cross multiply
   59,250.50x = 81,716.96 × 42,249.30
4. Step 4: Simplify right side
   59,250.50x = 3,452,484,146.88
5. Step 5: Solve for x
   x = 3,452,484,146.88/59,250.50
6. Step 6: Final answer
   x = 58,269.29