Finding the Fourth Proportional to 8,946.66, 12,350.88 and 5,591.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,946.66 : 12,350.88 = 5,591.34 : x
2. Step 2: Convert to fraction form
   8,946.66/12,350.88 = 5,591.34/x
3. Step 3: Cross multiply
   8,946.66x = 12,350.88 × 5,591.34
4. Step 4: Simplify right side
   8,946.66x = 69,057,969.38
5. Step 5: Solve for x
   x = 69,057,969.38/8,946.66
6. Step 6: Final answer
   x = 7,718.85