Finding the Fourth Proportional to 2,061.74, 2,844.78 and 1,177.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.74 : 2,844.78 = 1,177.40 : x
2. Step 2: Convert to fraction form
   2,061.74/2,844.78 = 1,177.40/x
3. Step 3: Cross multiply
   2,061.74x = 2,844.78 × 1,177.40
4. Step 4: Simplify right side
   2,061.74x = 3,349,443.97
5. Step 5: Solve for x
   x = 3,349,443.97/2,061.74
6. Step 6: Final answer
   x = 1,624.57