Finding the Fourth Proportional to 67,925.89, 101,793.92 and 57,878.15

Step by Step Solution

1. Step 1: Write the proportion equation
   67,925.89 : 101,793.92 = 57,878.15 : x
2. Step 2: Convert to fraction form
   67,925.89/101,793.92 = 57,878.15/x
3. Step 3: Cross multiply
   67,925.89x = 101,793.92 × 57,878.15
4. Step 4: Simplify right side
   67,925.89x = 5,891,642,972.49
5. Step 5: Solve for x
   x = 5,891,642,972.49/67,925.89
6. Step 6: Final answer
   x = 86,736.34