Finding the Fourth Proportional to 1,526.67, 2,105.82 and 928.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,526.67 : 2,105.82 = 928.89 : x
2. Step 2: Convert to fraction form
   1,526.67/2,105.82 = 928.89/x
3. Step 3: Cross multiply
   1,526.67x = 2,105.82 × 928.89
4. Step 4: Simplify right side
   1,526.67x = 1,956,075.14
5. Step 5: Solve for x
   x = 1,956,075.14/1,526.67
6. Step 6: Final answer
   x = 1,281.27