Finding the Fourth Proportional to 1,566.81, 2,334.69 and 1,394.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.81 : 2,334.69 = 1,394.55 : x
2. Step 2: Convert to fraction form
   1,566.81/2,334.69 = 1,394.55/x
3. Step 3: Cross multiply
   1,566.81x = 2,334.69 × 1,394.55
4. Step 4: Simplify right side
   1,566.81x = 3,255,841.94
5. Step 5: Solve for x
   x = 3,255,841.94/1,566.81
6. Step 6: Final answer
   x = 2,078.01