Finding the Fourth Proportional to 65,900.18, 90,942.10 and 35,685.58

Step by Step Solution

1. Step 1: Write the proportion equation
   65,900.18 : 90,942.10 = 35,685.58 : x
2. Step 2: Convert to fraction form
   65,900.18/90,942.10 = 35,685.58/x
3. Step 3: Cross multiply
   65,900.18x = 90,942.10 × 35,685.58
4. Step 4: Simplify right side
   65,900.18x = 3,245,321,584.92
5. Step 5: Solve for x
   x = 3,245,321,584.92/65,900.18
6. Step 6: Final answer
   x = 49,246.02