Finding the Fourth Proportional to 65,910.97, 90,956.69 and 35,695.61

Step by Step Solution

1. Step 1: Write the proportion equation
   65,910.97 : 90,956.69 = 35,695.61 : x
2. Step 2: Convert to fraction form
   65,910.97/90,956.69 = 35,695.61/x
3. Step 3: Cross multiply
   65,910.97x = 90,956.69 × 35,695.61
4. Step 4: Simplify right side
   65,910.97x = 3,246,754,374.82
5. Step 5: Solve for x
   x = 3,246,754,374.82/65,910.97
6. Step 6: Final answer
   x = 49,259.70