Finding the Fourth Proportional to 89,522.88, 123,544.32 and 49,238.40

Step by Step Solution

1. Step 1: Write the proportion equation
   89,522.88 : 123,544.32 = 49,238.40 : x
2. Step 2: Convert to fraction form
   89,522.88/123,544.32 = 49,238.40/x
3. Step 3: Cross multiply
   89,522.88x = 123,544.32 × 49,238.40
4. Step 4: Simplify right side
   89,522.88x = 6,083,124,645.89
5. Step 5: Solve for x
   x = 6,083,124,645.89/89,522.88
6. Step 6: Final answer
   x = 67,950.50