Finding the Fourth Proportional to 85,108.27, 117,431.61 and 49,296.15

Step by Step Solution

1. Step 1: Write the proportion equation
   85,108.27 : 117,431.61 = 49,296.15 : x
2. Step 2: Convert to fraction form
   85,108.27/117,431.61 = 49,296.15/x
3. Step 3: Cross multiply
   85,108.27x = 117,431.61 × 49,296.15
4. Step 4: Simplify right side
   85,108.27x = 5,788,926,261.30
5. Step 5: Solve for x
   x = 5,788,926,261.30/85,108.27
6. Step 6: Final answer
   x = 68,018.38