Finding the Fourth Proportional to 2,061.74, 2,845.29 and 1,177.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.74 : 2,845.29 = 1,177.61 : x
2. Step 2: Convert to fraction form
   2,061.74/2,845.29 = 1,177.61/x
3. Step 3: Cross multiply
   2,061.74x = 2,845.29 × 1,177.61
4. Step 4: Simplify right side
   2,061.74x = 3,350,641.96
5. Step 5: Solve for x
   x = 3,350,641.96/2,061.74
6. Step 6: Final answer
   x = 1,625.15