Finding the Fourth Proportional to 85,077.18, 117,432.33 and 49,275.98

Step by Step Solution

1. Step 1: Write the proportion equation
   85,077.18 : 117,432.33 = 49,275.98 : x
2. Step 2: Convert to fraction form
   85,077.18/117,432.33 = 49,275.98/x
3. Step 3: Cross multiply
   85,077.18x = 117,432.33 × 49,275.98
4. Step 4: Simplify right side
   85,077.18x = 5,786,593,144.43
5. Step 5: Solve for x
   x = 5,786,593,144.43/85,077.18
6. Step 6: Final answer
   x = 68,015.81