Finding the Fourth Proportional to 67,565.12, 93,273.12 and 42,428.48

Step by Step Solution

1. Step 1: Write the proportion equation
   67,565.12 : 93,273.12 = 42,428.48 : x
2. Step 2: Convert to fraction form
   67,565.12/93,273.12 = 42,428.48/x
3. Step 3: Cross multiply
   67,565.12x = 93,273.12 × 42,428.48
4. Step 4: Simplify right side
   67,565.12x = 3,957,436,706.46
5. Step 5: Solve for x
   x = 3,957,436,706.46/67,565.12
6. Step 6: Final answer
   x = 58,572.18