Finding the Fourth Proportional to 62,323.16, 86,015.82 and 39,638.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,323.16 : 86,015.82 = 39,638.50 : x
2. Step 2: Convert to fraction form
   62,323.16/86,015.82 = 39,638.50/x
3. Step 3: Cross multiply
   62,323.16x = 86,015.82 × 39,638.50
4. Step 4: Simplify right side
   62,323.16x = 3,409,538,014.67
5. Step 5: Solve for x
   x = 3,409,538,014.67/62,323.16
6. Step 6: Final answer
   x = 54,707.40