Finding the Fourth Proportional to 1,308.33, 1,961.33 and 1,099.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308.33 : 1,961.33 = 1,099.71 : x
2. Step 2: Convert to fraction form
   1,308.33/1,961.33 = 1,099.71/x
3. Step 3: Cross multiply
   1,308.33x = 1,961.33 × 1,099.71
4. Step 4: Simplify right side
   1,308.33x = 2,156,888.72
5. Step 5: Solve for x
   x = 2,156,888.72/1,308.33
6. Step 6: Final answer
   x = 1,648.58