Finding the Fourth Proportional to 7,308.80, 10,086.40 and 4,164.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,308.80 : 10,086.40 = 4,164.48 : x
2. Step 2: Convert to fraction form
   7,308.80/10,086.40 = 4,164.48/x
3. Step 3: Cross multiply
   7,308.80x = 10,086.40 × 4,164.48
4. Step 4: Simplify right side
   7,308.80x = 42,004,611.07
5. Step 5: Solve for x
   x = 42,004,611.07/7,308.80
6. Step 6: Final answer
   x = 5,747.13