Finding the Fourth Proportional to 42,766.89, 64,152.96 and 16,471.65

Step by Step Solution

1. Step 1: Write the proportion equation
   42,766.89 : 64,152.96 = 16,471.65 : x
2. Step 2: Convert to fraction form
   42,766.89/64,152.96 = 16,471.65/x
3. Step 3: Cross multiply
   42,766.89x = 64,152.96 × 16,471.65
4. Step 4: Simplify right side
   42,766.89x = 1,056,705,103.58
5. Step 5: Solve for x
   x = 1,056,705,103.58/42,766.89
6. Step 6: Final answer
   x = 24,708.49