Finding the Fourth Proportional to 1,527.50, 2,286.06 and 942.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,527.50 : 2,286.06 = 942.89 : x
2. Step 2: Convert to fraction form
   1,527.50/2,286.06 = 942.89/x
3. Step 3: Cross multiply
   1,527.50x = 2,286.06 × 942.89
4. Step 4: Simplify right side
   1,527.50x = 2,155,491.68
5. Step 5: Solve for x
   x = 2,155,491.68/1,527.50
6. Step 6: Final answer
   x = 1,411.13