Finding the Fourth Proportional to 65,798, 90,801.96 and 35,990

Step by Step Solution

1. Step 1: Write the proportion equation
   65,798 : 90,801.96 = 35,990 : x
2. Step 2: Convert to fraction form
   65,798/90,801.96 = 35,990/x
3. Step 3: Cross multiply
   65,798x = 90,801.96 × 35,990
4. Step 4: Simplify right side
   65,798x = 3,267,962,540.40
5. Step 5: Solve for x
   x = 3,267,962,540.40/65,798
6. Step 6: Final answer
   x = 49,666.59