Finding the Fourth Proportional to 9,153.14, 13,734.72 and 4,223.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,153.14 : 13,734.72 = 4,223.30 : x
2. Step 2: Convert to fraction form
   9,153.14/13,734.72 = 4,223.30/x
3. Step 3: Cross multiply
   9,153.14x = 13,734.72 × 4,223.30
4. Step 4: Simplify right side
   9,153.14x = 58,005,774.30
5. Step 5: Solve for x
   x = 58,005,774.30/9,153.14
6. Step 6: Final answer
   x = 6,337.26