Finding the Fourth Proportional to 1,569.38, 2,164.52 and 1,097.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,569.38 : 2,164.52 = 1,097.12 : x
2. Step 2: Convert to fraction form
   1,569.38/2,164.52 = 1,097.12/x
3. Step 3: Cross multiply
   1,569.38x = 2,164.52 × 1,097.12
4. Step 4: Simplify right side
   1,569.38x = 2,374,738.18
5. Step 5: Solve for x
   x = 2,374,738.18/1,569.38
6. Step 6: Final answer
   x = 1,513.17