Finding the Fourth Proportional to 2,081.46, 3,126.24 and 1,531.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.46 : 3,126.24 = 1,531.47 : x
2. Step 2: Convert to fraction form
   2,081.46/3,126.24 = 1,531.47/x
3. Step 3: Cross multiply
   2,081.46x = 3,126.24 × 1,531.47
4. Step 4: Simplify right side
   2,081.46x = 4,787,742.77
5. Step 5: Solve for x
   x = 4,787,742.77/2,081.46
6. Step 6: Final answer
   x = 2,300.18