Finding the Fourth Proportional to 1,238.22, 1,859.24 and 1,081.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238.22 : 1,859.24 = 1,081.96 : x
2. Step 2: Convert to fraction form
   1,238.22/1,859.24 = 1,081.96/x
3. Step 3: Cross multiply
   1,238.22x = 1,859.24 × 1,081.96
4. Step 4: Simplify right side
   1,238.22x = 2,011,623.31
5. Step 5: Solve for x
   x = 2,011,623.31/1,238.22
6. Step 6: Final answer
   x = 1,624.61