Finding the Fourth Proportional to 81,951.33, 113,098.05 and 49,689.04

Step by Step Solution

1. Step 1: Write the proportion equation
   81,951.33 : 113,098.05 = 49,689.04 : x
2. Step 2: Convert to fraction form
   81,951.33/113,098.05 = 49,689.04/x
3. Step 3: Cross multiply
   81,951.33x = 113,098.05 × 49,689.04
4. Step 4: Simplify right side
   81,951.33x = 5,619,733,530.37
5. Step 5: Solve for x
   x = 5,619,733,530.37/81,951.33
6. Step 6: Final answer
   x = 68,574.04