Finding the Fourth Proportional to 5,308.96, 7,965.60 and 5,167.84

Step by Step Solution

1. Step 1: Write the proportion equation
   5,308.96 : 7,965.60 = 5,167.84 : x
2. Step 2: Convert to fraction form
   5,308.96/7,965.60 = 5,167.84/x
3. Step 3: Cross multiply
   5,308.96x = 7,965.60 × 5,167.84
4. Step 4: Simplify right side
   5,308.96x = 41,164,946.30
5. Step 5: Solve for x
   x = 41,164,946.30/5,308.96
6. Step 6: Final answer
   x = 7,753.86