Finding the Fourth Proportional to 89,223.13, 123,131.37 and 48,938.59

Step by Step Solution

1. Step 1: Write the proportion equation
   89,223.13 : 123,131.37 = 48,938.59 : x
2. Step 2: Convert to fraction form
   89,223.13/123,131.37 = 48,938.59/x
3. Step 3: Cross multiply
   89,223.13x = 123,131.37 × 48,938.59
4. Step 4: Simplify right side
   89,223.13x = 6,025,875,387.88
5. Step 5: Solve for x
   x = 6,025,875,387.88/89,223.13
6. Step 6: Final answer
   x = 67,537.14