Finding the Fourth Proportional to 9,141.63, 13,710.72 and 4,456.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,141.63 : 13,710.72 = 4,456.94 : x
2. Step 2: Convert to fraction form
   9,141.63/13,710.72 = 4,456.94/x
3. Step 3: Cross multiply
   9,141.63x = 13,710.72 × 4,456.94
4. Step 4: Simplify right side
   9,141.63x = 61,107,787.84
5. Step 5: Solve for x
   x = 61,107,787.84/9,141.63
6. Step 6: Final answer
   x = 6,684.56