Finding the Fourth Proportional to 62,620.82, 86,420.25 and 37,142.27

Step by Step Solution

1. Step 1: Write the proportion equation
   62,620.82 : 86,420.25 = 37,142.27 : x
2. Step 2: Convert to fraction form
   62,620.82/86,420.25 = 37,142.27/x
3. Step 3: Cross multiply
   62,620.82x = 86,420.25 × 37,142.27
4. Step 4: Simplify right side
   62,620.82x = 3,209,843,826.87
5. Step 5: Solve for x
   x = 3,209,843,826.87/62,620.82
6. Step 6: Final answer
   x = 51,258.42