Finding the Fourth Proportional to 9,343.69, 12,895.20 and 5,151.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,343.69 : 12,895.20 = 5,151.94 : x
2. Step 2: Convert to fraction form
   9,343.69/12,895.20 = 5,151.94/x
3. Step 3: Cross multiply
   9,343.69x = 12,895.20 × 5,151.94
4. Step 4: Simplify right side
   9,343.69x = 66,435,264.45
5. Step 5: Solve for x
   x = 66,435,264.45/9,343.69
6. Step 6: Final answer
   x = 7,110.18