Finding the Fourth Proportional to 65,018, 89,724.84 and 35,210

Step by Step Solution

1. Step 1: Write the proportion equation
   65,018 : 89,724.84 = 35,210 : x
2. Step 2: Convert to fraction form
   65,018/89,724.84 = 35,210/x
3. Step 3: Cross multiply
   65,018x = 89,724.84 × 35,210
4. Step 4: Simplify right side
   65,018x = 3,159,211,616.40
5. Step 5: Solve for x
   x = 3,159,211,616.40/65,018
6. Step 6: Final answer
   x = 48,589.80