Finding the Fourth Proportional to 7,250.71, 10,865.89 and 3,085.08

Step by Step Solution

1. Step 1: Write the proportion equation
   7,250.71 : 10,865.89 = 3,085.08 : x
2. Step 2: Convert to fraction form
   7,250.71/10,865.89 = 3,085.08/x
3. Step 3: Cross multiply
   7,250.71x = 10,865.89 × 3,085.08
4. Step 4: Simplify right side
   7,250.71x = 33,522,124.50
5. Step 5: Solve for x
   x = 33,522,124.50/7,250.71
6. Step 6: Final answer
   x = 4,623.29