Finding the Fourth Proportional to 1,747.80, 2,622.72 and 1,253.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,747.80 : 2,622.72 = 1,253.67 : x
2. Step 2: Convert to fraction form
   1,747.80/2,622.72 = 1,253.67/x
3. Step 3: Cross multiply
   1,747.80x = 2,622.72 × 1,253.67
4. Step 4: Simplify right side
   1,747.80x = 3,288,025.38
5. Step 5: Solve for x
   x = 3,288,025.38/1,747.80
6. Step 6: Final answer
   x = 1,881.24