Finding the Fourth Proportional to 62,696.81, 86,541.39 and 42,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,696.81 : 86,541.39 = 42,308.50 : x
2. Step 2: Convert to fraction form
   62,696.81/86,541.39 = 42,308.50/x
3. Step 3: Cross multiply
   62,696.81x = 86,541.39 × 42,308.50
4. Step 4: Simplify right side
   62,696.81x = 3,661,436,469.13
5. Step 5: Solve for x
   x = 3,661,436,469.13/62,696.81
6. Step 6: Final answer
   x = 58,399.09