Finding the Fourth Proportional to 65,406.24, 90,265.68 and 37,113.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,406.24 : 90,265.68 = 37,113.12 : x
2. Step 2: Convert to fraction form
   65,406.24/90,265.68 = 37,113.12/x
3. Step 3: Cross multiply
   65,406.24x = 90,265.68 × 37,113.12
4. Step 4: Simplify right side
   65,406.24x = 3,350,041,013.72
5. Step 5: Solve for x
   x = 3,350,041,013.72/65,406.24
6. Step 6: Final answer
   x = 51,218.98