Finding the Fourth Proportional to 65,937.98, 90,994.28 and 35,724.05

Step by Step Solution

1. Step 1: Write the proportion equation
   65,937.98 : 90,994.28 = 35,724.05 : x
2. Step 2: Convert to fraction form
   65,937.98/90,994.28 = 35,724.05/x
3. Step 3: Cross multiply
   65,937.98x = 90,994.28 × 35,724.05
4. Step 4: Simplify right side
   65,937.98x = 3,250,684,119.12
5. Step 5: Solve for x
   x = 3,250,684,119.12/65,937.98
6. Step 6: Final answer
   x = 49,299.12