Finding the Fourth Proportional to 89,225.30, 123,131.09 and 48,939.39

Step by Step Solution

1. Step 1: Write the proportion equation
   89,225.30 : 123,131.09 = 48,939.39 : x
2. Step 2: Convert to fraction form
   89,225.30/123,131.09 = 48,939.39/x
3. Step 3: Cross multiply
   89,225.30x = 123,131.09 × 48,939.39
4. Step 4: Simplify right side
   89,225.30x = 6,025,960,434.64
5. Step 5: Solve for x
   x = 6,025,960,434.64/89,225.30
6. Step 6: Final answer
   x = 67,536.45