Finding the Fourth Proportional to 1,566.42, 2,161.69 and 969.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566.42 : 2,161.69 = 969.00 : x
2. Step 2: Convert to fraction form
   1,566.42/2,161.69 = 969.00/x
3. Step 3: Cross multiply
   1,566.42x = 2,161.69 × 969.00
4. Step 4: Simplify right side
   1,566.42x = 2,094,661.96
5. Step 5: Solve for x
   x = 2,094,661.96/1,566.42
6. Step 6: Final answer
   x = 1,337.23