Finding the Fourth Proportional to 23,939.98, 35,907.24 and 9,148.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,939.98 : 35,907.24 = 9,148.56 : x
2. Step 2: Convert to fraction form
   23,939.98/35,907.24 = 9,148.56/x
3. Step 3: Cross multiply
   23,939.98x = 35,907.24 × 9,148.56
4. Step 4: Simplify right side
   23,939.98x = 328,499,539.57
5. Step 5: Solve for x
   x = 328,499,539.57/23,939.98
6. Step 6: Final answer
   x = 13,721.80