Finding the Fourth Proportional to 65,837.30, 90,854.82 and 35,621.96

Step by Step Solution

1. Step 1: Write the proportion equation
   65,837.30 : 90,854.82 = 35,621.96 : x
2. Step 2: Convert to fraction form
   65,837.30/90,854.82 = 35,621.96/x
3. Step 3: Cross multiply
   65,837.30x = 90,854.82 × 35,621.96
4. Step 4: Simplify right side
   65,837.30x = 3,236,426,131.46
5. Step 5: Solve for x
   x = 3,236,426,131.46/65,837.30
6. Step 6: Final answer
   x = 49,157.95