Finding the Fourth Proportional to 4,085.59, 6,129.30 and 1,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,085.59 : 6,129.30 = 1,488.50 : x
2. Step 2: Convert to fraction form
   4,085.59/6,129.30 = 1,488.50/x
3. Step 3: Cross multiply
   4,085.59x = 6,129.30 × 1,488.50
4. Step 4: Simplify right side
   4,085.59x = 9,123,463.05
5. Step 5: Solve for x
   x = 9,123,463.05/4,085.59
6. Step 6: Final answer
   x = 2,233.08