Finding the Fourth Proportional to 65,790, 90,790.56 and 35,982

Step by Step Solution

1. Step 1: Write the proportion equation
   65,790 : 90,790.56 = 35,982 : x
2. Step 2: Convert to fraction form
   65,790/90,790.56 = 35,982/x
3. Step 3: Cross multiply
   65,790x = 90,790.56 × 35,982
4. Step 4: Simplify right side
   65,790x = 3,266,825,929.92
5. Step 5: Solve for x
   x = 3,266,825,929.92/65,790
6. Step 6: Final answer
   x = 49,655.36