Finding the Fourth Proportional to 1,437.22, 1,984.32 and 1,105.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.22 : 1,984.32 = 1,105.06 : x
2. Step 2: Convert to fraction form
   1,437.22/1,984.32 = 1,105.06/x
3. Step 3: Cross multiply
   1,437.22x = 1,984.32 × 1,105.06
4. Step 4: Simplify right side
   1,437.22x = 2,192,792.66
5. Step 5: Solve for x
   x = 2,192,792.66/1,437.22
6. Step 6: Final answer
   x = 1,525.72