Finding the Fourth Proportional to 62,618.37, 86,416.89 and 37,139.82

Step by Step Solution

1. Step 1: Write the proportion equation
   62,618.37 : 86,416.89 = 37,139.82 : x
2. Step 2: Convert to fraction form
   62,618.37/86,416.89 = 37,139.82/x
3. Step 3: Cross multiply
   62,618.37x = 86,416.89 × 37,139.82
4. Step 4: Simplify right side
   62,618.37x = 3,209,507,739.56
5. Step 5: Solve for x
   x = 3,209,507,739.56/62,618.37
6. Step 6: Final answer
   x = 51,255.05