Finding the Fourth Proportional to 43,162.50, 64,759.32 and 15,086.70

Step by Step Solution

1. Step 1: Write the proportion equation
   43,162.50 : 64,759.32 = 15,086.70 : x
2. Step 2: Convert to fraction form
   43,162.50/64,759.32 = 15,086.70/x
3. Step 3: Cross multiply
   43,162.50x = 64,759.32 × 15,086.70
4. Step 4: Simplify right side
   43,162.50x = 977,004,433.04
5. Step 5: Solve for x
   x = 977,004,433.04/43,162.50
6. Step 6: Final answer
   x = 22,635.49