Finding the Fourth Proportional to 1,514.60, 2,087.58 and 1,155.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.60 : 2,087.58 = 1,155.57 : x
2. Step 2: Convert to fraction form
   1,514.60/2,087.58 = 1,155.57/x
3. Step 3: Cross multiply
   1,514.60x = 2,087.58 × 1,155.57
4. Step 4: Simplify right side
   1,514.60x = 2,412,344.82
5. Step 5: Solve for x
   x = 2,412,344.82/1,514.60
6. Step 6: Final answer
   x = 1,592.72