Finding the Fourth Proportional to 43,019.87, 64,504.67 and 16,693.88

Step by Step Solution

1. Step 1: Write the proportion equation
   43,019.87 : 64,504.67 = 16,693.88 : x
2. Step 2: Convert to fraction form
   43,019.87/64,504.67 = 16,693.88/x
3. Step 3: Cross multiply
   43,019.87x = 64,504.67 × 16,693.88
4. Step 4: Simplify right side
   43,019.87x = 1,076,832,814.43
5. Step 5: Solve for x
   x = 1,076,832,814.43/43,019.87
6. Step 6: Final answer
   x = 25,031.06