Finding the Fourth Proportional to 1,406.33, 2,111.72 and 1,098.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.33 : 2,111.72 = 1,098.93 : x
2. Step 2: Convert to fraction form
   1,406.33/2,111.72 = 1,098.93/x
3. Step 3: Cross multiply
   1,406.33x = 2,111.72 × 1,098.93
4. Step 4: Simplify right side
   1,406.33x = 2,320,626.96
5. Step 5: Solve for x
   x = 2,320,626.96/1,406.33
6. Step 6: Final answer
   x = 1,650.14