Finding the Fourth Proportional to 3,607.56, 5,374.32 and 3,475.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,607.56 : 5,374.32 = 3,475.29 : x
2. Step 2: Convert to fraction form
   3,607.56/5,374.32 = 3,475.29/x
3. Step 3: Cross multiply
   3,607.56x = 5,374.32 × 3,475.29
4. Step 4: Simplify right side
   3,607.56x = 18,677,320.55
5. Step 5: Solve for x
   x = 18,677,320.55/3,607.56
6. Step 6: Final answer
   x = 5,177.27