Finding the Fourth Proportional to 1,569.50, 2,162.34 and 1,214.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,569.50 : 2,162.34 = 1,214.20 : x
2. Step 2: Convert to fraction form
   1,569.50/2,162.34 = 1,214.20/x
3. Step 3: Cross multiply
   1,569.50x = 2,162.34 × 1,214.20
4. Step 4: Simplify right side
   1,569.50x = 2,625,503.93
5. Step 5: Solve for x
   x = 2,625,503.93/1,569.50
6. Step 6: Final answer
   x = 1,672.83