Finding the Fourth Proportional to 1,525.32, 2,105.03 and 928.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.32 : 2,105.03 = 928.22 : x
2. Step 2: Convert to fraction form
   1,525.32/2,105.03 = 928.22/x
3. Step 3: Cross multiply
   1,525.32x = 2,105.03 × 928.22
4. Step 4: Simplify right side
   1,525.32x = 1,953,922.74
5. Step 5: Solve for x
   x = 1,953,922.74/1,525.32
6. Step 6: Final answer
   x = 1,280.99