Finding the Fourth Proportional to 2,061.20, 2,844.24 and 1,176.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.20 : 2,844.24 = 1,176.72 : x
2. Step 2: Convert to fraction form
   2,061.20/2,844.24 = 1,176.72/x
3. Step 3: Cross multiply
   2,061.20x = 2,844.24 × 1,176.72
4. Step 4: Simplify right side
   2,061.20x = 3,346,874.09
5. Step 5: Solve for x
   x = 3,346,874.09/2,061.20
6. Step 6: Final answer
   x = 1,623.75