Finding the Fourth Proportional to 65,561.85, 90,489.69 and 41,683.86

Step by Step Solution

1. Step 1: Write the proportion equation
   65,561.85 : 90,489.69 = 41,683.86 : x
2. Step 2: Convert to fraction form
   65,561.85/90,489.69 = 41,683.86/x
3. Step 3: Cross multiply
   65,561.85x = 90,489.69 × 41,683.86
4. Step 4: Simplify right side
   65,561.85x = 3,771,959,752.43
5. Step 5: Solve for x
   x = 3,771,959,752.43/65,561.85
6. Step 6: Final answer
   x = 57,532.84