Finding the Fourth Proportional to 85,449.39, 117,916.56 and 49,148.10

Step by Step Solution

1. Step 1: Write the proportion equation
   85,449.39 : 117,916.56 = 49,148.10 : x
2. Step 2: Convert to fraction form
   85,449.39/117,916.56 = 49,148.10/x
3. Step 3: Cross multiply
   85,449.39x = 117,916.56 × 49,148.10
4. Step 4: Simplify right side
   85,449.39x = 5,795,374,882.54
5. Step 5: Solve for x
   x = 5,795,374,882.54/85,449.39
6. Step 6: Final answer
   x = 67,822.31