Finding the Fourth Proportional to 89,153.39, 123,044.29 and 55,172.82

Step by Step Solution

1. Step 1: Write the proportion equation
   89,153.39 : 123,044.29 = 55,172.82 : x
2. Step 2: Convert to fraction form
   89,153.39/123,044.29 = 55,172.82/x
3. Step 3: Cross multiply
   89,153.39x = 123,044.29 × 55,172.82
4. Step 4: Simplify right side
   89,153.39x = 6,788,700,464.20
5. Step 5: Solve for x
   x = 6,788,700,464.20/89,153.39
6. Step 6: Final answer
   x = 76,146.30