Finding the Fourth Proportional to 89,178.31, 123,066.04 and 48,891.21

Step by Step Solution

1. Step 1: Write the proportion equation
   89,178.31 : 123,066.04 = 48,891.21 : x
2. Step 2: Convert to fraction form
   89,178.31/123,066.04 = 48,891.21/x
3. Step 3: Cross multiply
   89,178.31x = 123,066.04 × 48,891.21
4. Step 4: Simplify right side
   89,178.31x = 6,016,847,605.51
5. Step 5: Solve for x
   x = 6,016,847,605.51/89,178.31
6. Step 6: Final answer
   x = 67,469.85