Finding the Fourth Proportional to 85,191.30, 117,567.99 and 49,392.54

Step by Step Solution

1. Step 1: Write the proportion equation
   85,191.30 : 117,567.99 = 49,392.54 : x
2. Step 2: Convert to fraction form
   85,191.30/117,567.99 = 49,392.54/x
3. Step 3: Cross multiply
   85,191.30x = 117,567.99 × 49,392.54
4. Step 4: Simplify right side
   85,191.30x = 5,806,981,648.79
5. Step 5: Solve for x
   x = 5,806,981,648.79/85,191.30
6. Step 6: Final answer
   x = 68,164.02