Finding the Fourth Proportional to 3,667.02, 5,498.55 and 1,326.66

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.02 : 5,498.55 = 1,326.66 : x
2. Step 2: Convert to fraction form
   3,667.02/5,498.55 = 1,326.66/x
3. Step 3: Cross multiply
   3,667.02x = 5,498.55 × 1,326.66
4. Step 4: Simplify right side
   3,667.02x = 7,294,706.34
5. Step 5: Solve for x
   x = 7,294,706.34/3,667.02
6. Step 6: Final answer
   x = 1,989.27