Finding the Fourth Proportional to 23,755.74, 32,780.88 and 13,142.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,755.74 : 32,780.88 = 13,142.76 : x
2. Step 2: Convert to fraction form
   23,755.74/32,780.88 = 13,142.76/x
3. Step 3: Cross multiply
   23,755.74x = 32,780.88 × 13,142.76
4. Step 4: Simplify right side
   23,755.74x = 430,831,238.43
5. Step 5: Solve for x
   x = 430,831,238.43/23,755.74
6. Step 6: Final answer
   x = 18,135.88