Finding the Fourth Proportional to 85,401.42, 117,878.99 and 49,607.52

Step by Step Solution

1. Step 1: Write the proportion equation
   85,401.42 : 117,878.99 = 49,607.52 : x
2. Step 2: Convert to fraction form
   85,401.42/117,878.99 = 49,607.52/x
3. Step 3: Cross multiply
   85,401.42x = 117,878.99 × 49,607.52
4. Step 4: Simplify right side
   85,401.42x = 5,847,684,105.97
5. Step 5: Solve for x
   x = 5,847,684,105.97/85,401.42
6. Step 6: Final answer
   x = 68,472.91