Finding the Fourth Proportional to 1,434.86, 2,153.34 and 569.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.86 : 2,153.34 = 569.42 : x
2. Step 2: Convert to fraction form
   1,434.86/2,153.34 = 569.42/x
3. Step 3: Cross multiply
   1,434.86x = 2,153.34 × 569.42
4. Step 4: Simplify right side
   1,434.86x = 1,226,154.86
5. Step 5: Solve for x
   x = 1,226,154.86/1,434.86
6. Step 6: Final answer
   x = 854.55