Finding the Fourth Proportional to 23,487.56, 32,412.82 and 12,877.17

Step by Step Solution

1. Step 1: Write the proportion equation
   23,487.56 : 32,412.82 = 12,877.17 : x
2. Step 2: Convert to fraction form
   23,487.56/32,412.82 = 12,877.17/x
3. Step 3: Cross multiply
   23,487.56x = 32,412.82 × 12,877.17
4. Step 4: Simplify right side
   23,487.56x = 417,385,393.32
5. Step 5: Solve for x
   x = 417,385,393.32/23,487.56
6. Step 6: Final answer
   x = 17,770.49