Finding the Fourth Proportional to 31,196.28, 43,053.30 and 17,768.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,196.28 : 43,053.30 = 17,768.10 : x
2. Step 2: Convert to fraction form
   31,196.28/43,053.30 = 17,768.10/x
3. Step 3: Cross multiply
   31,196.28x = 43,053.30 × 17,768.10
4. Step 4: Simplify right side
   31,196.28x = 764,975,339.73
5. Step 5: Solve for x
   x = 764,975,339.73/31,196.28
6. Step 6: Final answer
   x = 24,521.36