Finding the Fourth Proportional to 1,763.24, 2,433.12 and 977.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,763.24 : 2,433.12 = 977.10 : x
2. Step 2: Convert to fraction form
   1,763.24/2,433.12 = 977.10/x
3. Step 3: Cross multiply
   1,763.24x = 2,433.12 × 977.10
4. Step 4: Simplify right side
   1,763.24x = 2,377,401.55
5. Step 5: Solve for x
   x = 2,377,401.55/1,763.24
6. Step 6: Final answer
   x = 1,348.31