Finding the Fourth Proportional to 42,911.69, 64,373.67 and 16,250.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,911.69 : 64,373.67 = 16,250.49 : x
2. Step 2: Convert to fraction form
   42,911.69/64,373.67 = 16,250.49/x
3. Step 3: Cross multiply
   42,911.69x = 64,373.67 × 16,250.49
4. Step 4: Simplify right side
   42,911.69x = 1,046,103,680.60
5. Step 5: Solve for x
   x = 1,046,103,680.60/42,911.69
6. Step 6: Final answer
   x = 24,378.06