Finding the Fourth Proportional to 2,501.28, 3,450.72 and 1,569.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501.28 : 3,450.72 = 1,569.60 : x
2. Step 2: Convert to fraction form
   2,501.28/3,450.72 = 1,569.60/x
3. Step 3: Cross multiply
   2,501.28x = 3,450.72 × 1,569.60
4. Step 4: Simplify right side
   2,501.28x = 5,416,250.11
5. Step 5: Solve for x
   x = 5,416,250.11/2,501.28
6. Step 6: Final answer
   x = 2,165.39