Finding the Fourth Proportional to 89,218.43, 123,120.68 and 48,931.46

Step by Step Solution

1. Step 1: Write the proportion equation
   89,218.43 : 123,120.68 = 48,931.46 : x
2. Step 2: Convert to fraction form
   89,218.43/123,120.68 = 48,931.46/x
3. Step 3: Cross multiply
   89,218.43x = 123,120.68 × 48,931.46
4. Step 4: Simplify right side
   89,218.43x = 6,024,473,768.33
5. Step 5: Solve for x
   x = 6,024,473,768.33/89,218.43
6. Step 6: Final answer
   x = 67,525.00