Finding the Fourth Proportional to 23,485.92, 32,410.29 and 12,875.55

Step by Step Solution

1. Step 1: Write the proportion equation
   23,485.92 : 32,410.29 = 12,875.55 : x
2. Step 2: Convert to fraction form
   23,485.92/32,410.29 = 12,875.55/x
3. Step 3: Cross multiply
   23,485.92x = 32,410.29 × 12,875.55
4. Step 4: Simplify right side
   23,485.92x = 417,300,309.41
5. Step 5: Solve for x
   x = 417,300,309.41/23,485.92
6. Step 6: Final answer
   x = 17,768.11