Finding the Fourth Proportional to 14,354.78, 19,796.46 and 9,507.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,354.78 : 19,796.46 = 9,507.50 : x
2. Step 2: Convert to fraction form
   14,354.78/19,796.46 = 9,507.50/x
3. Step 3: Cross multiply
   14,354.78x = 19,796.46 × 9,507.50
4. Step 4: Simplify right side
   14,354.78x = 188,214,843.45
5. Step 5: Solve for x
   x = 188,214,843.45/14,354.78
6. Step 6: Final answer
   x = 13,111.65