Finding the Fourth Proportional to 1,772.79, 2,658.65 and 1,002.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,772.79 : 2,658.65 = 1,002.75 : x
2. Step 2: Convert to fraction form
   1,772.79/2,658.65 = 1,002.75/x
3. Step 3: Cross multiply
   1,772.79x = 2,658.65 × 1,002.75
4. Step 4: Simplify right side
   1,772.79x = 2,665,956.27
5. Step 5: Solve for x
   x = 2,665,956.27/1,772.79
6. Step 6: Final answer
   x = 1,503.82