Finding the Fourth Proportional to 89,610.72, 123,663.24 and 49,328.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,610.72 : 123,663.24 = 49,328.52 : x
2. Step 2: Convert to fraction form
   89,610.72/123,663.24 = 49,328.52/x
3. Step 3: Cross multiply
   89,610.72x = 123,663.24 × 49,328.52
4. Step 4: Simplify right side
   89,610.72x = 6,100,124,607.60
5. Step 5: Solve for x
   x = 6,100,124,607.60/89,610.72
6. Step 6: Final answer
   x = 68,073.60