Finding the Fourth Proportional to 1,890.27, 2,828.27 and 1,698.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.27 : 2,828.27 = 1,698.43 : x
2. Step 2: Convert to fraction form
   1,890.27/2,828.27 = 1,698.43/x
3. Step 3: Cross multiply
   1,890.27x = 2,828.27 × 1,698.43
4. Step 4: Simplify right side
   1,890.27x = 4,803,611.55
5. Step 5: Solve for x
   x = 4,803,611.55/1,890.27
6. Step 6: Final answer
   x = 2,541.23