Finding the Fourth Proportional to 23,298.59, 32,150.94 and 12,688.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,298.59 : 32,150.94 = 12,688.16 : x
2. Step 2: Convert to fraction form
   23,298.59/32,150.94 = 12,688.16/x
3. Step 3: Cross multiply
   23,298.59x = 32,150.94 × 12,688.16
4. Step 4: Simplify right side
   23,298.59x = 407,936,270.87
5. Step 5: Solve for x
   x = 407,936,270.87/23,298.59
6. Step 6: Final answer
   x = 17,509.05