Finding the Fourth Proportional to 2,061.66, 2,845.12 and 1,177.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.66 : 2,845.12 = 1,177.50 : x
2. Step 2: Convert to fraction form
   2,061.66/2,845.12 = 1,177.50/x
3. Step 3: Cross multiply
   2,061.66x = 2,845.12 × 1,177.50
4. Step 4: Simplify right side
   2,061.66x = 3,350,128.80
5. Step 5: Solve for x
   x = 3,350,128.80/2,061.66
6. Step 6: Final answer
   x = 1,624.97