Finding the Fourth Proportional to 23,298.36, 32,151.77 and 12,688.03

Step by Step Solution

1. Step 1: Write the proportion equation
   23,298.36 : 32,151.77 = 12,688.03 : x
2. Step 2: Convert to fraction form
   23,298.36/32,151.77 = 12,688.03/x
3. Step 3: Cross multiply
   23,298.36x = 32,151.77 × 12,688.03
4. Step 4: Simplify right side
   23,298.36x = 407,942,622.31
5. Step 5: Solve for x
   x = 407,942,622.31/23,298.36
6. Step 6: Final answer
   x = 17,509.50