Finding the Fourth Proportional to 65,812.35, 90,820.69 and 35,597.64

Step by Step Solution

1. Step 1: Write the proportion equation
   65,812.35 : 90,820.69 = 35,597.64 : x
2. Step 2: Convert to fraction form
   65,812.35/90,820.69 = 35,597.64/x
3. Step 3: Cross multiply
   65,812.35x = 90,820.69 × 35,597.64
4. Step 4: Simplify right side
   65,812.35x = 3,233,002,227.17
5. Step 5: Solve for x
   x = 3,233,002,227.17/65,812.35
6. Step 6: Final answer
   x = 49,124.55