Finding the Fourth Proportional to 64,535.33, 89,064.39 and 37,686.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,535.33 : 89,064.39 = 37,686.50 : x
2. Step 2: Convert to fraction form
   64,535.33/89,064.39 = 37,686.50/x
3. Step 3: Cross multiply
   64,535.33x = 89,064.39 × 37,686.50
4. Step 4: Simplify right side
   64,535.33x = 3,356,525,163.73
5. Step 5: Solve for x
   x = 3,356,525,163.73/64,535.33
6. Step 6: Final answer
   x = 52,010.66