Finding the Fourth Proportional to 1,300.98, 1,953 and 1,098.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.98 : 1,953 = 1,098.12 : x
2. Step 2: Convert to fraction form
   1,300.98/1,953 = 1,098.12/x
3. Step 3: Cross multiply
   1,300.98x = 1,953 × 1,098.12
4. Step 4: Simplify right side
   1,300.98x = 2,144,628.36
5. Step 5: Solve for x
   x = 2,144,628.36/1,300.98
6. Step 6: Final answer
   x = 1,648.47