Finding the Fourth Proportional to 23,487.12, 32,412.78 and 12,877.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,487.12 : 32,412.78 = 12,877.34 : x
2. Step 2: Convert to fraction form
   23,487.12/32,412.78 = 12,877.34/x
3. Step 3: Cross multiply
   23,487.12x = 32,412.78 × 12,877.34
4. Step 4: Simplify right side
   23,487.12x = 417,390,226.34
5. Step 5: Solve for x
   x = 417,390,226.34/23,487.12
6. Step 6: Final answer
   x = 17,771.03