Finding the Fourth Proportional to 42,793.34, 64,189.95 and 16,479.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,793.34 : 64,189.95 = 16,479.63 : x
2. Step 2: Convert to fraction form
   42,793.34/64,189.95 = 16,479.63/x
3. Step 3: Cross multiply
   42,793.34x = 64,189.95 × 16,479.63
4. Step 4: Simplify right side
   42,793.34x = 1,057,826,304.77
5. Step 5: Solve for x
   x = 1,057,826,304.77/42,793.34
6. Step 6: Final answer
   x = 24,719.42