Finding the Fourth Proportional to 2,061.51, 2,844.77 and 1,177.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.51 : 2,844.77 = 1,177.40 : x
2. Step 2: Convert to fraction form
   2,061.51/2,844.77 = 1,177.40/x
3. Step 3: Cross multiply
   2,061.51x = 2,844.77 × 1,177.40
4. Step 4: Simplify right side
   2,061.51x = 3,349,412.09
5. Step 5: Solve for x
   x = 3,349,412.09/2,061.51
6. Step 6: Final answer
   x = 1,624.74