Finding the Fourth Proportional to 9,167.56, 13,740.69 and 3,900.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,167.56 : 13,740.69 = 3,900.91 : x
2. Step 2: Convert to fraction form
   9,167.56/13,740.69 = 3,900.91/x
3. Step 3: Cross multiply
   9,167.56x = 13,740.69 × 3,900.91
4. Step 4: Simplify right side
   9,167.56x = 53,601,195.03
5. Step 5: Solve for x
   x = 53,601,195.03/9,167.56
6. Step 6: Final answer
   x = 5,846.83