Finding the Fourth Proportional to 9,167.31, 13,748.16 and 3,902.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,167.31 : 13,748.16 = 3,902.25 : x
2. Step 2: Convert to fraction form
   9,167.31/13,748.16 = 3,902.25/x
3. Step 3: Cross multiply
   9,167.31x = 13,748.16 × 3,902.25
4. Step 4: Simplify right side
   9,167.31x = 53,648,757.36
5. Step 5: Solve for x
   x = 53,648,757.36/9,167.31
6. Step 6: Final answer
   x = 5,852.18