Finding the Fourth Proportional to 23,428.71, 35,148.20 and 6,789.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,428.71 : 35,148.20 = 6,789.42 : x
2. Step 2: Convert to fraction form
   23,428.71/35,148.20 = 6,789.42/x
3. Step 3: Cross multiply
   23,428.71x = 35,148.20 × 6,789.42
4. Step 4: Simplify right side
   23,428.71x = 238,635,858.10
5. Step 5: Solve for x
   x = 238,635,858.10/23,428.71
6. Step 6: Final answer
   x = 10,185.62