Finding the Fourth Proportional to 12,969.27, 17,897.94 and 7,933.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,969.27 : 17,897.94 = 7,933.40 : x
2. Step 2: Convert to fraction form
   12,969.27/17,897.94 = 7,933.40/x
3. Step 3: Cross multiply
   12,969.27x = 17,897.94 × 7,933.40
4. Step 4: Simplify right side
   12,969.27x = 141,991,517.20
5. Step 5: Solve for x
   x = 141,991,517.20/12,969.27
6. Step 6: Final answer
   x = 10,948.30