Finding the Fourth Proportional to 2,523.70, 3,482.81 and 1,528.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,523.70 : 3,482.81 = 1,528.42 : x
2. Step 2: Convert to fraction form
   2,523.70/3,482.81 = 1,528.42/x
3. Step 3: Cross multiply
   2,523.70x = 3,482.81 × 1,528.42
4. Step 4: Simplify right side
   2,523.70x = 5,323,196.46
5. Step 5: Solve for x
   x = 5,323,196.46/2,523.70
6. Step 6: Final answer
   x = 2,109.28