Finding the Fourth Proportional to 23,124.72, 31,908.84 and 13,051.68

Step by Step Solution

1. Step 1: Write the proportion equation
   23,124.72 : 31,908.84 = 13,051.68 : x
2. Step 2: Convert to fraction form
   23,124.72/31,908.84 = 13,051.68/x
3. Step 3: Cross multiply
   23,124.72x = 31,908.84 × 13,051.68
4. Step 4: Simplify right side
   23,124.72x = 416,463,968.85
5. Step 5: Solve for x
   x = 416,463,968.85/23,124.72
6. Step 6: Final answer
   x = 18,009.47