Finding the Fourth Proportional to 7,315.96, 10,094.16 and 4,171.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,315.96 : 10,094.16 = 4,171.72 : x
2. Step 2: Convert to fraction form
   7,315.96/10,094.16 = 4,171.72/x
3. Step 3: Cross multiply
   7,315.96x = 10,094.16 × 4,171.72
4. Step 4: Simplify right side
   7,315.96x = 42,110,009.16
5. Step 5: Solve for x
   x = 42,110,009.16/7,315.96
6. Step 6: Final answer
   x = 5,755.91