Finding the Fourth Proportional to 2,061.28, 2,844.76 and 1,177.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.28 : 2,844.76 = 1,177.36 : x
2. Step 2: Convert to fraction form
   2,061.28/2,844.76 = 1,177.36/x
3. Step 3: Cross multiply
   2,061.28x = 2,844.76 × 1,177.36
4. Step 4: Simplify right side
   2,061.28x = 3,349,306.63
5. Step 5: Solve for x
   x = 3,349,306.63/2,061.28
6. Step 6: Final answer
   x = 1,624.87