Finding the Fourth Proportional to 65,518, 90,414.88 and 35,710

Step by Step Solution

1. Step 1: Write the proportion equation
   65,518 : 90,414.88 = 35,710 : x
2. Step 2: Convert to fraction form
   65,518/90,414.88 = 35,710/x
3. Step 3: Cross multiply
   65,518x = 90,414.88 × 35,710
4. Step 4: Simplify right side
   65,518x = 3,228,715,364.80
5. Step 5: Solve for x
   x = 3,228,715,364.80/65,518
6. Step 6: Final answer
   x = 49,279.82