Finding the Fourth Proportional to 1,525.42, 2,287.59 and 552.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.42 : 2,287.59 = 552.34 : x
2. Step 2: Convert to fraction form
   1,525.42/2,287.59 = 552.34/x
3. Step 3: Cross multiply
   1,525.42x = 2,287.59 × 552.34
4. Step 4: Simplify right side
   1,525.42x = 1,263,527.46
5. Step 5: Solve for x
   x = 1,263,527.46/1,525.42
6. Step 6: Final answer
   x = 828.31