Finding the Fourth Proportional to 9,371.86, 12,932.72 and 5,123.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,371.86 : 12,932.72 = 5,123.14 : x
2. Step 2: Convert to fraction form
   9,371.86/12,932.72 = 5,123.14/x
3. Step 3: Cross multiply
   9,371.86x = 12,932.72 × 5,123.14
4. Step 4: Simplify right side
   9,371.86x = 66,256,135.14
5. Step 5: Solve for x
   x = 66,256,135.14/9,371.86
6. Step 6: Final answer
   x = 7,069.69