Finding the Fourth Proportional to 67,689.36, 93,398.04 and 42,524.28

Step by Step Solution

1. Step 1: Write the proportion equation
   67,689.36 : 93,398.04 = 42,524.28 : x
2. Step 2: Convert to fraction form
   67,689.36/93,398.04 = 42,524.28/x
3. Step 3: Cross multiply
   67,689.36x = 93,398.04 × 42,524.28
4. Step 4: Simplify right side
   67,689.36x = 3,971,684,404.41
5. Step 5: Solve for x
   x = 3,971,684,404.41/67,689.36
6. Step 6: Final answer
   x = 58,675.17