Finding the Fourth Proportional to 89,223.88, 123,132.40 and 48,939.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,223.88 : 123,132.40 = 48,939.34 : x
2. Step 2: Convert to fraction form
   89,223.88/123,132.40 = 48,939.34/x
3. Step 3: Cross multiply
   89,223.88x = 123,132.40 × 48,939.34
4. Step 4: Simplify right side
   89,223.88x = 6,026,018,388.62
5. Step 5: Solve for x
   x = 6,026,018,388.62/89,223.88
6. Step 6: Final answer
   x = 67,538.18