Finding the Fourth Proportional to 1,524.55, 2,103.88 and 825.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,524.55 : 2,103.88 = 825.93 : x
2. Step 2: Convert to fraction form
   1,524.55/2,103.88 = 825.93/x
3. Step 3: Cross multiply
   1,524.55x = 2,103.88 × 825.93
4. Step 4: Simplify right side
   1,524.55x = 1,737,657.61
5. Step 5: Solve for x
   x = 1,737,657.61/1,524.55
6. Step 6: Final answer
   x = 1,139.78