Finding the Fourth Proportional to 9,333.64, 12,880.42 and 5,141.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,333.64 : 12,880.42 = 5,141.89 : x
2. Step 2: Convert to fraction form
   9,333.64/12,880.42 = 5,141.89/x
3. Step 3: Cross multiply
   9,333.64x = 12,880.42 × 5,141.89
4. Step 4: Simplify right side
   9,333.64x = 66,229,702.79
5. Step 5: Solve for x
   x = 66,229,702.79/9,333.64
6. Step 6: Final answer
   x = 7,095.81