Finding the Fourth Proportional to 3,396.31, 5,094.22 and 1,056.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,396.31 : 5,094.22 = 1,056.25 : x
2. Step 2: Convert to fraction form
   3,396.31/5,094.22 = 1,056.25/x
3. Step 3: Cross multiply
   3,396.31x = 5,094.22 × 1,056.25
4. Step 4: Simplify right side
   3,396.31x = 5,380,769.88
5. Step 5: Solve for x
   x = 5,380,769.88/3,396.31
6. Step 6: Final answer
   x = 1,584.30