Finding the Fourth Proportional to 85,301.83, 117,678.46 and 49,471.09

Step by Step Solution

1. Step 1: Write the proportion equation
   85,301.83 : 117,678.46 = 49,471.09 : x
2. Step 2: Convert to fraction form
   85,301.83/117,678.46 = 49,471.09/x
3. Step 3: Cross multiply
   85,301.83x = 117,678.46 × 49,471.09
4. Step 4: Simplify right side
   85,301.83x = 5,821,681,685.72
5. Step 5: Solve for x
   x = 5,821,681,685.72/85,301.83
6. Step 6: Final answer
   x = 68,248.03