Finding the Fourth Proportional to 2,522.16, 3,783.60 and 1,061.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.16 : 3,783.60 = 1,061.28 : x
2. Step 2: Convert to fraction form
   2,522.16/3,783.60 = 1,061.28/x
3. Step 3: Cross multiply
   2,522.16x = 3,783.60 × 1,061.28
4. Step 4: Simplify right side
   2,522.16x = 4,015,459.01
5. Step 5: Solve for x
   x = 4,015,459.01/2,522.16
6. Step 6: Final answer
   x = 1,592.07