Finding the Fourth Proportional to 1,238.39, 1,848.02 and 1,100.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238.39 : 1,848.02 = 1,100.33 : x
2. Step 2: Convert to fraction form
   1,238.39/1,848.02 = 1,100.33/x
3. Step 3: Cross multiply
   1,238.39x = 1,848.02 × 1,100.33
4. Step 4: Simplify right side
   1,238.39x = 2,033,434.43
5. Step 5: Solve for x
   x = 2,033,434.43/1,238.39
6. Step 6: Final answer
   x = 1,642.00