Finding the Fourth Proportional to 1,401.72, 2,103.06 and 752.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.72 : 2,103.06 = 752.94 : x
2. Step 2: Convert to fraction form
   1,401.72/2,103.06 = 752.94/x
3. Step 3: Cross multiply
   1,401.72x = 2,103.06 × 752.94
4. Step 4: Simplify right side
   1,401.72x = 1,583,478.00
5. Step 5: Solve for x
   x = 1,583,478.00/1,401.72
6. Step 6: Final answer
   x = 1,129.67