Finding the Fourth Proportional to 1,527.32, 2,107.71 and 938.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,527.32 : 2,107.71 = 938.24 : x
2. Step 2: Convert to fraction form
   1,527.32/2,107.71 = 938.24/x
3. Step 3: Cross multiply
   1,527.32x = 2,107.71 × 938.24
4. Step 4: Simplify right side
   1,527.32x = 1,977,537.83
5. Step 5: Solve for x
   x = 1,977,537.83/1,527.32
6. Step 6: Final answer
   x = 1,294.78