Finding the Fourth Proportional to 1,527.18, 2,107.89 and 937.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,527.18 : 2,107.89 = 937.86 : x
2. Step 2: Convert to fraction form
   1,527.18/2,107.89 = 937.86/x
3. Step 3: Cross multiply
   1,527.18x = 2,107.89 × 937.86
4. Step 4: Simplify right side
   1,527.18x = 1,976,905.72
5. Step 5: Solve for x
   x = 1,976,905.72/1,527.18
6. Step 6: Final answer
   x = 1,294.48