Finding the Fourth Proportional to 71,659.40, 107,456.70 and 32,196.20

Step by Step Solution

1. Step 1: Write the proportion equation
   71,659.40 : 107,456.70 = 32,196.20 : x
2. Step 2: Convert to fraction form
   71,659.40/107,456.70 = 32,196.20/x
3. Step 3: Cross multiply
   71,659.40x = 107,456.70 × 32,196.20
4. Step 4: Simplify right side
   71,659.40x = 3,459,697,404.54
5. Step 5: Solve for x
   x = 3,459,697,404.54/71,659.40
6. Step 6: Final answer
   x = 48,279.74