Finding the Fourth Proportional to 9,173.42, 13,756.64 and 3,905.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,173.42 : 13,756.64 = 3,905.10 : x
2. Step 2: Convert to fraction form
   9,173.42/13,756.64 = 3,905.10/x
3. Step 3: Cross multiply
   9,173.42x = 13,756.64 × 3,905.10
4. Step 4: Simplify right side
   9,173.42x = 53,721,086.93
5. Step 5: Solve for x
   x = 53,721,086.93/9,173.42
6. Step 6: Final answer
   x = 5,856.17