Finding the Fourth Proportional to 86,435, 129,674.38 and 24,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,435 : 129,674.38 = 24,105.50 : x
2. Step 2: Convert to fraction form
   86,435/129,674.38 = 24,105.50/x
3. Step 3: Cross multiply
   86,435x = 129,674.38 × 24,105.50
4. Step 4: Simplify right side
   86,435x = 3,125,865,767.09
5. Step 5: Solve for x
   x = 3,125,865,767.09/86,435
6. Step 6: Final answer
   x = 36,164.35