Finding the Fourth Proportional to 68,915.68, 95,112.42 and 42,052.48

Step by Step Solution

1. Step 1: Write the proportion equation
   68,915.68 : 95,112.42 = 42,052.48 : x
2. Step 2: Convert to fraction form
   68,915.68/95,112.42 = 42,052.48/x
3. Step 3: Cross multiply
   68,915.68x = 95,112.42 × 42,052.48
4. Step 4: Simplify right side
   68,915.68x = 3,999,713,139.80
5. Step 5: Solve for x
   x = 3,999,713,139.80/68,915.68
6. Step 6: Final answer
   x = 58,037.78