Finding the Fourth Proportional to 3,698.72, 5,547.60 and 1,066.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,698.72 : 5,547.60 = 1,066.46 : x
2. Step 2: Convert to fraction form
   3,698.72/5,547.60 = 1,066.46/x
3. Step 3: Cross multiply
   3,698.72x = 5,547.60 × 1,066.46
4. Step 4: Simplify right side
   3,698.72x = 5,916,293.50
5. Step 5: Solve for x
   x = 5,916,293.50/3,698.72
6. Step 6: Final answer
   x = 1,599.55