Finding the Fourth Proportional to 3,666.09, 5,498.00 and 1,200.36

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666.09 : 5,498.00 = 1,200.36 : x
2. Step 2: Convert to fraction form
   3,666.09/5,498.00 = 1,200.36/x
3. Step 3: Cross multiply
   3,666.09x = 5,498.00 × 1,200.36
4. Step 4: Simplify right side
   3,666.09x = 6,599,573.28
5. Step 5: Solve for x
   x = 6,599,573.28/3,666.09
6. Step 6: Final answer
   x = 1,800.17