Finding the Fourth Proportional to 89,275.40, 123,194.50 and 48,981

Step by Step Solution

1. Step 1: Write the proportion equation
   89,275.40 : 123,194.50 = 48,981 : x
2. Step 2: Convert to fraction form
   89,275.40/123,194.50 = 48,981/x
3. Step 3: Cross multiply
   89,275.40x = 123,194.50 × 48,981
4. Step 4: Simplify right side
   89,275.40x = 6,034,189,804.50
5. Step 5: Solve for x
   x = 6,034,189,804.50/89,275.40
6. Step 6: Final answer
   x = 67,590.73