Finding the Fourth Proportional to 14,128.65, 19,500.24 and 9,348.71

Step by Step Solution

1. Step 1: Write the proportion equation
   14,128.65 : 19,500.24 = 9,348.71 : x
2. Step 2: Convert to fraction form
   14,128.65/19,500.24 = 9,348.71/x
3. Step 3: Cross multiply
   14,128.65x = 19,500.24 × 9,348.71
4. Step 4: Simplify right side
   14,128.65x = 182,301,991.19
5. Step 5: Solve for x
   x = 182,301,991.19/14,128.65
6. Step 6: Final answer
   x = 12,903.00