Finding the Fourth Proportional to 85,081.74, 117,423.81 and 48,797.34

Step by Step Solution

1. Step 1: Write the proportion equation
   85,081.74 : 117,423.81 = 48,797.34 : x
2. Step 2: Convert to fraction form
   85,081.74/117,423.81 = 48,797.34/x
3. Step 3: Cross multiply
   85,081.74x = 117,423.81 × 48,797.34
4. Step 4: Simplify right side
   85,081.74x = 5,729,969,580.67
5. Step 5: Solve for x
   x = 5,729,969,580.67/85,081.74
6. Step 6: Final answer
   x = 67,346.64