Finding the Fourth Proportional to 89,397.99, 123,368.76 and 48,561.80

Step by Step Solution

1. Step 1: Write the proportion equation
   89,397.99 : 123,368.76 = 48,561.80 : x
2. Step 2: Convert to fraction form
   89,397.99/123,368.76 = 48,561.80/x
3. Step 3: Cross multiply
   89,397.99x = 123,368.76 × 48,561.80
4. Step 4: Simplify right side
   89,397.99x = 5,991,008,432.52
5. Step 5: Solve for x
   x = 5,991,008,432.52/89,397.99
6. Step 6: Final answer
   x = 67,015.02