Finding the Fourth Proportional to 60,870.97, 91,179.48 and 48,960.42

Step by Step Solution

1. Step 1: Write the proportion equation
   60,870.97 : 91,179.48 = 48,960.42 : x
2. Step 2: Convert to fraction form
   60,870.97/91,179.48 = 48,960.42/x
3. Step 3: Cross multiply
   60,870.97x = 91,179.48 × 48,960.42
4. Step 4: Simplify right side
   60,870.97x = 4,464,185,636.18
5. Step 5: Solve for x
   x = 4,464,185,636.18/60,870.97
6. Step 6: Final answer
   x = 73,338.50