Finding the Fourth Proportional to 1,227.07, 1,837.23 and 1,109.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227.07 : 1,837.23 = 1,109.62 : x
2. Step 2: Convert to fraction form
   1,227.07/1,837.23 = 1,109.62/x
3. Step 3: Cross multiply
   1,227.07x = 1,837.23 × 1,109.62
4. Step 4: Simplify right side
   1,227.07x = 2,038,627.15
5. Step 5: Solve for x
   x = 2,038,627.15/1,227.07
6. Step 6: Final answer
   x = 1,661.38