Finding the Fourth Proportional to 1,282.89, 1,925.10 and 552.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282.89 : 1,925.10 = 552.45 : x
2. Step 2: Convert to fraction form
   1,282.89/1,925.10 = 552.45/x
3. Step 3: Cross multiply
   1,282.89x = 1,925.10 × 552.45
4. Step 4: Simplify right side
   1,282.89x = 1,063,521.50
5. Step 5: Solve for x
   x = 1,063,521.50/1,282.89
6. Step 6: Final answer
   x = 829.00