Finding the Fourth Proportional to 1,527.02, 2,106.94 and 863.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,527.02 : 2,106.94 = 863.73 : x
2. Step 2: Convert to fraction form
   1,527.02/2,106.94 = 863.73/x
3. Step 3: Cross multiply
   1,527.02x = 2,106.94 × 863.73
4. Step 4: Simplify right side
   1,527.02x = 1,819,819.86
5. Step 5: Solve for x
   x = 1,819,819.86/1,527.02
6. Step 6: Final answer
   x = 1,191.75