Finding the Fourth Proportional to 9,507.31, 14,240.20 and 4,819.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,507.31 : 14,240.20 = 4,819.27 : x
2. Step 2: Convert to fraction form
   9,507.31/14,240.20 = 4,819.27/x
3. Step 3: Cross multiply
   9,507.31x = 14,240.20 × 4,819.27
4. Step 4: Simplify right side
   9,507.31x = 68,627,368.65
5. Step 5: Solve for x
   x = 68,627,368.65/9,507.31
6. Step 6: Final answer
   x = 7,218.38