Finding the Fourth Proportional to 9,164.71, 12,648.33 and 5,186.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,164.71 : 12,648.33 = 5,186.08 : x
2. Step 2: Convert to fraction form
   9,164.71/12,648.33 = 5,186.08/x
3. Step 3: Cross multiply
   9,164.71x = 12,648.33 × 5,186.08
4. Step 4: Simplify right side
   9,164.71x = 65,595,208.00
5. Step 5: Solve for x
   x = 65,595,208.00/9,164.71
6. Step 6: Final answer
   x = 7,157.37