Finding the Fourth Proportional to 2,356.32, 3,251.40 and 1,569.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.32 : 3,251.40 = 1,569.12 : x
2. Step 2: Convert to fraction form
   2,356.32/3,251.40 = 1,569.12/x
3. Step 3: Cross multiply
   2,356.32x = 3,251.40 × 1,569.12
4. Step 4: Simplify right side
   2,356.32x = 5,101,836.77
5. Step 5: Solve for x
   x = 5,101,836.77/2,356.32
6. Step 6: Final answer
   x = 2,165.17