Finding the Fourth Proportional to 89,169.68, 123,053.88 and 48,885.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,169.68 : 123,053.88 = 48,885.12 : x
2. Step 2: Convert to fraction form
   89,169.68/123,053.88 = 48,885.12/x
3. Step 3: Cross multiply
   89,169.68x = 123,053.88 × 48,885.12
4. Step 4: Simplify right side
   89,169.68x = 6,015,503,690.27
5. Step 5: Solve for x
   x = 6,015,503,690.27/89,169.68
6. Step 6: Final answer
   x = 67,461.31