Finding the Fourth Proportional to 65,866.29, 90,907.78 and 37,571.98

Step by Step Solution

1. Step 1: Write the proportion equation
   65,866.29 : 90,907.78 = 37,571.98 : x
2. Step 2: Convert to fraction form
   65,866.29/90,907.78 = 37,571.98/x
3. Step 3: Cross multiply
   65,866.29x = 90,907.78 × 37,571.98
4. Step 4: Simplify right side
   65,866.29x = 3,415,585,008.86
5. Step 5: Solve for x
   x = 3,415,585,008.86/65,866.29
6. Step 6: Final answer
   x = 51,856.34