Finding the Fourth Proportional to 3,392.17, 5,088.39 and 1,052.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,392.17 : 5,088.39 = 1,052.42 : x
2. Step 2: Convert to fraction form
   3,392.17/5,088.39 = 1,052.42/x
3. Step 3: Cross multiply
   3,392.17x = 5,088.39 × 1,052.42
4. Step 4: Simplify right side
   3,392.17x = 5,355,123.40
5. Step 5: Solve for x
   x = 5,355,123.40/3,392.17
6. Step 6: Final answer
   x = 1,578.67