Finding the Fourth Proportional to 65,790.17, 90,790.37 and 35,575.42

Step by Step Solution

1. Step 1: Write the proportion equation
   65,790.17 : 90,790.37 = 35,575.42 : x
2. Step 2: Convert to fraction form
   65,790.17/90,790.37 = 35,575.42/x
3. Step 3: Cross multiply
   65,790.17x = 90,790.37 × 35,575.42
4. Step 4: Simplify right side
   65,790.17x = 3,229,904,912.88
5. Step 5: Solve for x
   x = 3,229,904,912.88/65,790.17
6. Step 6: Final answer
   x = 49,094.04