Finding the Fourth Proportional to 36,068.36, 49,724.16 and 31,085.60

Step by Step Solution

1. Step 1: Write the proportion equation
   36,068.36 : 49,724.16 = 31,085.60 : x
2. Step 2: Convert to fraction form
   36,068.36/49,724.16 = 31,085.60/x
3. Step 3: Cross multiply
   36,068.36x = 49,724.16 × 31,085.60
4. Step 4: Simplify right side
   36,068.36x = 1,545,705,348.10
5. Step 5: Solve for x
   x = 1,545,705,348.10/36,068.36
6. Step 6: Final answer
   x = 42,854.88