Finding the Fourth Proportional to 89,408.04, 123,385.16 and 49,124.32

Step by Step Solution

1. Step 1: Write the proportion equation
   89,408.04 : 123,385.16 = 49,124.32 : x
2. Step 2: Convert to fraction form
   89,408.04/123,385.16 = 49,124.32/x
3. Step 3: Cross multiply
   89,408.04x = 123,385.16 × 49,124.32
4. Step 4: Simplify right side
   89,408.04x = 6,061,212,083.09
5. Step 5: Solve for x
   x = 6,061,212,083.09/89,408.04
6. Step 6: Final answer
   x = 67,792.70