Finding the Fourth Proportional to 23,487.64, 32,412.76 and 12,877.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,487.64 : 32,412.76 = 12,877.25 : x
2. Step 2: Convert to fraction form
   23,487.64/32,412.76 = 12,877.25/x
3. Step 3: Cross multiply
   23,487.64x = 32,412.76 × 12,877.25
4. Step 4: Simplify right side
   23,487.64x = 417,387,019.45
5. Step 5: Solve for x
   x = 417,387,019.45/23,487.64
6. Step 6: Final answer
   x = 17,770.50