Finding the Fourth Proportional to 62,399.72, 86,109.22 and 34,105.80

Step by Step Solution

1. Step 1: Write the proportion equation
   62,399.72 : 86,109.22 = 34,105.80 : x
2. Step 2: Convert to fraction form
   62,399.72/86,109.22 = 34,105.80/x
3. Step 3: Cross multiply
   62,399.72x = 86,109.22 × 34,105.80
4. Step 4: Simplify right side
   62,399.72x = 2,936,823,835.48
5. Step 5: Solve for x
   x = 2,936,823,835.48/62,399.72
6. Step 6: Final answer
   x = 47,064.70