Finding the Fourth Proportional to 85,131.27, 117,470.87 and 48,830.84

Step by Step Solution

1. Step 1: Write the proportion equation
   85,131.27 : 117,470.87 = 48,830.84 : x
2. Step 2: Convert to fraction form
   85,131.27/117,470.87 = 48,830.84/x
3. Step 3: Cross multiply
   85,131.27x = 117,470.87 × 48,830.84
4. Step 4: Simplify right side
   85,131.27x = 5,736,200,426.12
5. Step 5: Solve for x
   x = 5,736,200,426.12/85,131.27
6. Step 6: Final answer
   x = 67,380.65