Finding the Fourth Proportional to 1,349.72, 2,023.71 and 569.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,349.72 : 2,023.71 = 569.51 : x
2. Step 2: Convert to fraction form
   1,349.72/2,023.71 = 569.51/x
3. Step 3: Cross multiply
   1,349.72x = 2,023.71 × 569.51
4. Step 4: Simplify right side
   1,349.72x = 1,152,522.69
5. Step 5: Solve for x
   x = 1,152,522.69/1,349.72
6. Step 6: Final answer
   x = 853.90