Finding the Fourth Proportional to 1,528.59, 2,279.55 and 1,360.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528.59 : 2,279.55 = 1,360.56 : x
2. Step 2: Convert to fraction form
   1,528.59/2,279.55 = 1,360.56/x
3. Step 3: Cross multiply
   1,528.59x = 2,279.55 × 1,360.56
4. Step 4: Simplify right side
   1,528.59x = 3,101,464.55
5. Step 5: Solve for x
   x = 3,101,464.55/1,528.59
6. Step 6: Final answer
   x = 2,028.97