Finding the Fourth Proportional to 1,761.14, 2,428.79 and 1,098.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761.14 : 2,428.79 = 1,098.06 : x
2. Step 2: Convert to fraction form
   1,761.14/2,428.79 = 1,098.06/x
3. Step 3: Cross multiply
   1,761.14x = 2,428.79 × 1,098.06
4. Step 4: Simplify right side
   1,761.14x = 2,666,942.55
5. Step 5: Solve for x
   x = 2,666,942.55/1,761.14
6. Step 6: Final answer
   x = 1,514.33