Finding the Fourth Proportional to 1,535.48, 2,115.24 and 1,441.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,535.48 : 2,115.24 = 1,441.52 : x
2. Step 2: Convert to fraction form
   1,535.48/2,115.24 = 1,441.52/x
3. Step 3: Cross multiply
   1,535.48x = 2,115.24 × 1,441.52
4. Step 4: Simplify right side
   1,535.48x = 3,049,160.76
5. Step 5: Solve for x
   x = 3,049,160.76/1,535.48
6. Step 6: Final answer
   x = 1,985.80