Finding the Fourth Proportional to 1,527.52, 2,108.06 and 938.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,527.52 : 2,108.06 = 938.68 : x
2. Step 2: Convert to fraction form
   1,527.52/2,108.06 = 938.68/x
3. Step 3: Cross multiply
   1,527.52x = 2,108.06 × 938.68
4. Step 4: Simplify right side
   1,527.52x = 1,978,793.76
5. Step 5: Solve for x
   x = 1,978,793.76/1,527.52
6. Step 6: Final answer
   x = 1,295.43