Finding the Fourth Proportional to 3,475.56, 5,186.31 and 3,392.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,475.56 : 5,186.31 = 3,392.16 : x
2. Step 2: Convert to fraction form
   3,475.56/5,186.31 = 3,392.16/x
3. Step 3: Cross multiply
   3,475.56x = 5,186.31 × 3,392.16
4. Step 4: Simplify right side
   3,475.56x = 17,592,793.33
5. Step 5: Solve for x
   x = 17,592,793.33/3,475.56
6. Step 6: Final answer
   x = 5,061.86