Finding the Fourth Proportional to 57,410.74, 86,103.79 and 17,962.72

Step by Step Solution

1. Step 1: Write the proportion equation
   57,410.74 : 86,103.79 = 17,962.72 : x
2. Step 2: Convert to fraction form
   57,410.74/86,103.79 = 17,962.72/x
3. Step 3: Cross multiply
   57,410.74x = 86,103.79 × 17,962.72
4. Step 4: Simplify right side
   57,410.74x = 1,546,658,270.71
5. Step 5: Solve for x
   x = 1,546,658,270.71/57,410.74
6. Step 6: Final answer
   x = 26,940.23