Finding the Fourth Proportional to 42,765.89, 64,151.46 and 16,470.65

Step by Step Solution

1. Step 1: Write the proportion equation
   42,765.89 : 64,151.46 = 16,470.65 : x
2. Step 2: Convert to fraction form
   42,765.89/64,151.46 = 16,470.65/x
3. Step 3: Cross multiply
   42,765.89x = 64,151.46 × 16,470.65
4. Step 4: Simplify right side
   42,765.89x = 1,056,616,405.03
5. Step 5: Solve for x
   x = 1,056,616,405.03/42,765.89
6. Step 6: Final answer
   x = 24,706.99