Finding the Fourth Proportional to 1,566.45, 2,349.72 and 1,386.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.45 : 2,349.72 = 1,386.09 : x
2. Step 2: Convert to fraction form
   1,566.45/2,349.72 = 1,386.09/x
3. Step 3: Cross multiply
   1,566.45x = 2,349.72 × 1,386.09
4. Step 4: Simplify right side
   1,566.45x = 3,256,923.39
5. Step 5: Solve for x
   x = 3,256,923.39/1,566.45
6. Step 6: Final answer
   x = 2,079.17