Finding the Fourth Proportional to 2,354.96, 3,528.60 and 1,488.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.96 : 3,528.60 = 1,488.56 : x
2. Step 2: Convert to fraction form
   2,354.96/3,528.60 = 1,488.56/x
3. Step 3: Cross multiply
   2,354.96x = 3,528.60 × 1,488.56
4. Step 4: Simplify right side
   2,354.96x = 5,252,532.82
5. Step 5: Solve for x
   x = 5,252,532.82/2,354.96
6. Step 6: Final answer
   x = 2,230.41