Finding the Fourth Proportional to 65,318.22, 90,139.71 and 37,018.62

Step by Step Solution

1. Step 1: Write the proportion equation
   65,318.22 : 90,139.71 = 37,018.62 : x
2. Step 2: Convert to fraction form
   65,318.22/90,139.71 = 37,018.62/x
3. Step 3: Cross multiply
   65,318.22x = 90,139.71 × 37,018.62
4. Step 4: Simplify right side
   65,318.22x = 3,336,847,671.40
5. Step 5: Solve for x
   x = 3,336,847,671.40/65,318.22
6. Step 6: Final answer
   x = 51,086.02