Finding the Fourth Proportional to 65,314.50, 90,134.73 and 35,506.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,314.50 : 90,134.73 = 35,506.50 : x
2. Step 2: Convert to fraction form
   65,314.50/90,134.73 = 35,506.50/x
3. Step 3: Cross multiply
   65,314.50x = 90,134.73 × 35,506.50
4. Step 4: Simplify right side
   65,314.50x = 3,200,368,790.75
5. Step 5: Solve for x
   x = 3,200,368,790.75/65,314.50
6. Step 6: Final answer
   x = 48,999.36