Finding the Fourth Proportional to 65,851.23, 90,874.69 and 35,636.55

Step by Step Solution

1. Step 1: Write the proportion equation
   65,851.23 : 90,874.69 = 35,636.55 : x
2. Step 2: Convert to fraction form
   65,851.23/90,874.69 = 35,636.55/x
3. Step 3: Cross multiply
   65,851.23x = 90,874.69 × 35,636.55
4. Step 4: Simplify right side
   65,851.23x = 3,238,459,979.55
5. Step 5: Solve for x
   x = 3,238,459,979.55/65,851.23
6. Step 6: Final answer
   x = 49,178.43