Finding the Fourth Proportional to 23,942.68, 33,035.90 and 13,870.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,942.68 : 33,035.90 = 13,870.52 : x
2. Step 2: Convert to fraction form
   23,942.68/33,035.90 = 13,870.52/x
3. Step 3: Cross multiply
   23,942.68x = 33,035.90 × 13,870.52
4. Step 4: Simplify right side
   23,942.68x = 458,225,111.67
5. Step 5: Solve for x
   x = 458,225,111.67/23,942.68
6. Step 6: Final answer
   x = 19,138.42