Finding the Fourth Proportional to 7,168.76, 9,892.86 and 4,184.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,168.76 : 9,892.86 = 4,184.72 : x
2. Step 2: Convert to fraction form
   7,168.76/9,892.86 = 4,184.72/x
3. Step 3: Cross multiply
   7,168.76x = 9,892.86 × 4,184.72
4. Step 4: Simplify right side
   7,168.76x = 41,398,849.10
5. Step 5: Solve for x
   x = 41,398,849.10/7,168.76
6. Step 6: Final answer
   x = 5,774.90