Finding the Fourth Proportional to 48,912.12, 67,517.82 and 42,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,912.12 : 67,517.82 = 42,079.50 : x
2. Step 2: Convert to fraction form
   48,912.12/67,517.82 = 42,079.50/x
3. Step 3: Cross multiply
   48,912.12x = 67,517.82 × 42,079.50
4. Step 4: Simplify right side
   48,912.12x = 2,841,116,106.69
5. Step 5: Solve for x
   x = 2,841,116,106.69/48,912.12
6. Step 6: Final answer
   x = 58,086.14