Finding the Fourth Proportional to 1,524.76, 2,104.02 and 861.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,524.76 : 2,104.02 = 861.52 : x
2. Step 2: Convert to fraction form
   1,524.76/2,104.02 = 861.52/x
3. Step 3: Cross multiply
   1,524.76x = 2,104.02 × 861.52
4. Step 4: Simplify right side
   1,524.76x = 1,812,655.31
5. Step 5: Solve for x
   x = 1,812,655.31/1,524.76
6. Step 6: Final answer
   x = 1,188.81