Finding the Fourth Proportional to 65,318, 90,139.56 and 35,510

Step by Step Solution

1. Step 1: Write the proportion equation
   65,318 : 90,139.56 = 35,510 : x
2. Step 2: Convert to fraction form
   65,318/90,139.56 = 35,510/x
3. Step 3: Cross multiply
   65,318x = 90,139.56 × 35,510
4. Step 4: Simplify right side
   65,318x = 3,200,855,775.60
5. Step 5: Solve for x
   x = 3,200,855,775.60/65,318
6. Step 6: Final answer
   x = 49,004.19