Finding the Fourth Proportional to 5,085.88, 7,622.12 and 2,160.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,085.88 : 7,622.12 = 2,160.56 : x
2. Step 2: Convert to fraction form
   5,085.88/7,622.12 = 2,160.56/x
3. Step 3: Cross multiply
   5,085.88x = 7,622.12 × 2,160.56
4. Step 4: Simplify right side
   5,085.88x = 16,468,047.59
5. Step 5: Solve for x
   x = 16,468,047.59/5,085.88
6. Step 6: Final answer
   x = 3,237.99