Finding the Fourth Proportional to 65,282.50, 90,090.42 and 35,474.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,282.50 : 90,090.42 = 35,474.50 : x
2. Step 2: Convert to fraction form
   65,282.50/90,090.42 = 35,474.50/x
3. Step 3: Cross multiply
   65,282.50x = 90,090.42 × 35,474.50
4. Step 4: Simplify right side
   65,282.50x = 3,195,912,604.29
5. Step 5: Solve for x
   x = 3,195,912,604.29/65,282.50
6. Step 6: Final answer
   x = 48,955.12