Finding the Fourth Proportional to 9,168.86, 12,652.99 and 5,189.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,168.86 : 12,652.99 = 5,189.98 : x
2. Step 2: Convert to fraction form
   9,168.86/12,652.99 = 5,189.98/x
3. Step 3: Cross multiply
   9,168.86x = 12,652.99 × 5,189.98
4. Step 4: Simplify right side
   9,168.86x = 65,668,765.04
5. Step 5: Solve for x
   x = 65,668,765.04/9,168.86
6. Step 6: Final answer
   x = 7,162.15