Finding the Fourth Proportional to 1,566.69, 2,162.46 and 976.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.69 : 2,162.46 = 976.88 : x
2. Step 2: Convert to fraction form
   1,566.69/2,162.46 = 976.88/x
3. Step 3: Cross multiply
   1,566.69x = 2,162.46 × 976.88
4. Step 4: Simplify right side
   1,566.69x = 2,112,453.11
5. Step 5: Solve for x
   x = 2,112,453.11/1,566.69
6. Step 6: Final answer
   x = 1,348.35