Finding the Fourth Proportional to 1,525.32, 2,105.52 and 928.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.32 : 2,105.52 = 928.08 : x
2. Step 2: Convert to fraction form
   1,525.32/2,105.52 = 928.08/x
3. Step 3: Cross multiply
   1,525.32x = 2,105.52 × 928.08
4. Step 4: Simplify right side
   1,525.32x = 1,954,091.00
5. Step 5: Solve for x
   x = 1,954,091.00/1,525.32
6. Step 6: Final answer
   x = 1,281.10