Finding the Fourth Proportional to 81,767.35, 112,839.96 and 49,501.54

Step by Step Solution

1. Step 1: Write the proportion equation
   81,767.35 : 112,839.96 = 49,501.54 : x
2. Step 2: Convert to fraction form
   81,767.35/112,839.96 = 49,501.54/x
3. Step 3: Cross multiply
   81,767.35x = 112,839.96 × 49,501.54
4. Step 4: Simplify right side
   81,767.35x = 5,585,751,793.54
5. Step 5: Solve for x
   x = 5,585,751,793.54/81,767.35
6. Step 6: Final answer
   x = 68,312.74