Finding the Fourth Proportional to 3,368.16, 5,052.72 and 1,059.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,368.16 : 5,052.72 = 1,059.12 : x
2. Step 2: Convert to fraction form
   3,368.16/5,052.72 = 1,059.12/x
3. Step 3: Cross multiply
   3,368.16x = 5,052.72 × 1,059.12
4. Step 4: Simplify right side
   3,368.16x = 5,351,436.81
5. Step 5: Solve for x
   x = 5,351,436.81/3,368.16
6. Step 6: Final answer
   x = 1,588.83