Finding the Fourth Proportional to 9,383.14, 12,948.96 and 5,191.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,383.14 : 12,948.96 = 5,191.39 : x
2. Step 2: Convert to fraction form
   9,383.14/12,948.96 = 5,191.39/x
3. Step 3: Cross multiply
   9,383.14x = 12,948.96 × 5,191.39
4. Step 4: Simplify right side
   9,383.14x = 67,223,101.45
5. Step 5: Solve for x
   x = 67,223,101.45/9,383.14
6. Step 6: Final answer
   x = 7,164.24