Finding the Fourth Proportional to 3,666.83, 5,498.91 and 1,326.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.83 : 5,498.91 = 1,326.28 : x
2. Step 2: Convert to fraction form
   3,666.83/5,498.91 = 1,326.28/x
3. Step 3: Cross multiply
   3,666.83x = 5,498.91 × 1,326.28
4. Step 4: Simplify right side
   3,666.83x = 7,293,060.23
5. Step 5: Solve for x
   x = 7,293,060.23/3,666.83
6. Step 6: Final answer
   x = 1,988.93