Finding the Fourth Proportional to 68,443.87, 102,522.60 and 55,044.43

Step by Step Solution

1. Step 1: Write the proportion equation
   68,443.87 : 102,522.60 = 55,044.43 : x
2. Step 2: Convert to fraction form
   68,443.87/102,522.60 = 55,044.43/x
3. Step 3: Cross multiply
   68,443.87x = 102,522.60 × 55,044.43
4. Step 4: Simplify right side
   68,443.87x = 5,643,298,111.89
5. Step 5: Solve for x
   x = 5,643,298,111.89/68,443.87
6. Step 6: Final answer
   x = 82,451.48