Finding the Fourth Proportional to 65,506.50, 90,399.06 and 35,698.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,506.50 : 90,399.06 = 35,698.50 : x
2. Step 2: Convert to fraction form
   65,506.50/90,399.06 = 35,698.50/x
3. Step 3: Cross multiply
   65,506.50x = 90,399.06 × 35,698.50
4. Step 4: Simplify right side
   65,506.50x = 3,227,110,843.41
5. Step 5: Solve for x
   x = 3,227,110,843.41/65,506.50
6. Step 6: Final answer
   x = 49,263.98