Finding the Fourth Proportional to 1,494.72, 2,061.12 and 873.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.72 : 2,061.12 = 873.60 : x
2. Step 2: Convert to fraction form
   1,494.72/2,061.12 = 873.60/x
3. Step 3: Cross multiply
   1,494.72x = 2,061.12 × 873.60
4. Step 4: Simplify right side
   1,494.72x = 1,800,594.43
5. Step 5: Solve for x
   x = 1,800,594.43/1,494.72
6. Step 6: Final answer
   x = 1,204.64