Finding the Fourth Proportional to 1,332.09, 1,837.61 and 800.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,332.09 : 1,837.61 = 800.72 : x
2. Step 2: Convert to fraction form
   1,332.09/1,837.61 = 800.72/x
3. Step 3: Cross multiply
   1,332.09x = 1,837.61 × 800.72
4. Step 4: Simplify right side
   1,332.09x = 1,471,397.89
5. Step 5: Solve for x
   x = 1,471,397.89/1,332.09
6. Step 6: Final answer
   x = 1,104.58