Finding the Fourth Proportional to 65,899.18, 90,940.72 and 35,684.58

Step by Step Solution

1. Step 1: Write the proportion equation
   65,899.18 : 90,940.72 = 35,684.58 : x
2. Step 2: Convert to fraction form
   65,899.18/90,940.72 = 35,684.58/x
3. Step 3: Cross multiply
   65,899.18x = 90,940.72 × 35,684.58
4. Step 4: Simplify right side
   65,899.18x = 3,245,181,398.10
5. Step 5: Solve for x
   x = 3,245,181,398.10/65,899.18
6. Step 6: Final answer
   x = 49,244.64