Finding the Fourth Proportional to 2,061.77, 2,844.81 and 1,177.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.77 : 2,844.81 = 1,177.55 : x
2. Step 2: Convert to fraction form
   2,061.77/2,844.81 = 1,177.55/x
3. Step 3: Cross multiply
   2,061.77x = 2,844.81 × 1,177.55
4. Step 4: Simplify right side
   2,061.77x = 3,349,906.02
5. Step 5: Solve for x
   x = 3,349,906.02/2,061.77
6. Step 6: Final answer
   x = 1,624.77