Finding the Fourth Proportional to 23,298.50, 32,150.94 and 12,688.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,298.50 : 32,150.94 = 12,688.10 : x
2. Step 2: Convert to fraction form
   23,298.50/32,150.94 = 12,688.10/x
3. Step 3: Cross multiply
   23,298.50x = 32,150.94 × 12,688.10
4. Step 4: Simplify right side
   23,298.50x = 407,934,181.06
5. Step 5: Solve for x
   x = 407,934,181.06/23,298.50
6. Step 6: Final answer
   x = 17,509.04