Finding the Fourth Proportional to 2,198.07, 3,294.45 and 1,026.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,198.07 : 3,294.45 = 1,026.50 : x
2. Step 2: Convert to fraction form
   2,198.07/3,294.45 = 1,026.50/x
3. Step 3: Cross multiply
   2,198.07x = 3,294.45 × 1,026.50
4. Step 4: Simplify right side
   2,198.07x = 3,381,736.45
5. Step 5: Solve for x
   x = 3,381,736.45/2,198.07
6. Step 6: Final answer
   x = 1,538.50