Finding the Fourth Proportional to 89,221.82, 123,130.62 and 48,939.33

Step by Step Solution

1. Step 1: Write the proportion equation
   89,221.82 : 123,130.62 = 48,939.33 : x
2. Step 2: Convert to fraction form
   89,221.82/123,130.62 = 48,939.33/x
3. Step 3: Cross multiply
   89,221.82x = 123,130.62 × 48,939.33
4. Step 4: Simplify right side
   89,221.82x = 6,025,929,307.28
5. Step 5: Solve for x
   x = 6,025,929,307.28/89,221.82
6. Step 6: Final answer
   x = 67,538.74