Finding the Fourth Proportional to 31,419.08, 43,357.58 and 17,078.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,419.08 : 43,357.58 = 17,078.56 : x
2. Step 2: Convert to fraction form
   31,419.08/43,357.58 = 17,078.56/x
3. Step 3: Cross multiply
   31,419.08x = 43,357.58 × 17,078.56
4. Step 4: Simplify right side
   31,419.08x = 740,485,031.48
5. Step 5: Solve for x
   x = 740,485,031.48/31,419.08
6. Step 6: Final answer
   x = 23,568.00