Finding the Fourth Proportional to 9,341.84, 12,891.72 and 5,150

Step by Step Solution

1. Step 1: Write the proportion equation
   9,341.84 : 12,891.72 = 5,150 : x
2. Step 2: Convert to fraction form
   9,341.84/12,891.72 = 5,150/x
3. Step 3: Cross multiply
   9,341.84x = 12,891.72 × 5,150
4. Step 4: Simplify right side
   9,341.84x = 66,392,358
5. Step 5: Solve for x
   x = 66,392,358/9,341.84
6. Step 6: Final answer
   x = 7,106.99