Finding the Fourth Proportional to 65,531.67, 90,433.71 and 35,723.67

Step by Step Solution

1. Step 1: Write the proportion equation
   65,531.67 : 90,433.71 = 35,723.67 : x
2. Step 2: Convert to fraction form
   65,531.67/90,433.71 = 35,723.67/x
3. Step 3: Cross multiply
   65,531.67x = 90,433.71 × 35,723.67
4. Step 4: Simplify right side
   65,531.67x = 3,230,624,012.92
5. Step 5: Solve for x
   x = 3,230,624,012.92/65,531.67
6. Step 6: Final answer
   x = 49,298.67