Finding the Fourth Proportional to 62,399.39, 86,109.89 and 34,105.28

Step by Step Solution

1. Step 1: Write the proportion equation
   62,399.39 : 86,109.89 = 34,105.28 : x
2. Step 2: Convert to fraction form
   62,399.39/86,109.89 = 34,105.28/x
3. Step 3: Cross multiply
   62,399.39x = 86,109.89 × 34,105.28
4. Step 4: Simplify right side
   62,399.39x = 2,936,801,308.14
5. Step 5: Solve for x
   x = 2,936,801,308.14/62,399.39
6. Step 6: Final answer
   x = 47,064.59