Finding the Fourth Proportional to 9,383.23, 12,948.87 and 5,134.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,383.23 : 12,948.87 = 5,134.69 : x
2. Step 2: Convert to fraction form
   9,383.23/12,948.87 = 5,134.69/x
3. Step 3: Cross multiply
   9,383.23x = 12,948.87 × 5,134.69
4. Step 4: Simplify right side
   9,383.23x = 66,488,433.30
5. Step 5: Solve for x
   x = 66,488,433.30/9,383.23
6. Step 6: Final answer
   x = 7,085.88