Finding the Fourth Proportional to 2,098.66, 2,889.12 and 1,573.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098.66 : 2,889.12 = 1,573.78 : x
2. Step 2: Convert to fraction form
   2,098.66/2,889.12 = 1,573.78/x
3. Step 3: Cross multiply
   2,098.66x = 2,889.12 × 1,573.78
4. Step 4: Simplify right side
   2,098.66x = 4,546,839.27
5. Step 5: Solve for x
   x = 4,546,839.27/2,098.66
6. Step 6: Final answer
   x = 2,166.54