Finding the Fourth Proportional to 139,826.97, 209,349.57 and 75,554.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,826.97 : 209,349.57 = 75,554.82 : x
2. Step 2: Convert to fraction form
   139,826.97/209,349.57 = 75,554.82/x
3. Step 3: Cross multiply
   139,826.97x = 209,349.57 × 75,554.82
4. Step 4: Simplify right side
   139,826.97x = 15,817,369,078.43
5. Step 5: Solve for x
   x = 15,817,369,078.43/139,826.97
6. Step 6: Final answer
   x = 113,121.02