Finding the Fourth Proportional to 18,048.16, 24,907 and 10,090.72

Step by Step Solution

1. Step 1: Write the proportion equation
   18,048.16 : 24,907 = 10,090.72 : x
2. Step 2: Convert to fraction form
   18,048.16/24,907 = 10,090.72/x
3. Step 3: Cross multiply
   18,048.16x = 24,907 × 10,090.72
4. Step 4: Simplify right side
   18,048.16x = 251,329,563.04
5. Step 5: Solve for x
   x = 251,329,563.04/18,048.16
6. Step 6: Final answer
   x = 13,925.50