Finding the Fourth Proportional to 1,527.52, 2,290.24 and 705.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,527.52 : 2,290.24 = 705.34 : x
2. Step 2: Convert to fraction form
   1,527.52/2,290.24 = 705.34/x
3. Step 3: Cross multiply
   1,527.52x = 2,290.24 × 705.34
4. Step 4: Simplify right side
   1,527.52x = 1,615,397.88
5. Step 5: Solve for x
   x = 1,615,397.88/1,527.52
6. Step 6: Final answer
   x = 1,057.53