Finding the Fourth Proportional to 43,003.50, 64,488.68 and 16,704.78

Step by Step Solution

1. Step 1: Write the proportion equation
   43,003.50 : 64,488.68 = 16,704.78 : x
2. Step 2: Convert to fraction form
   43,003.50/64,488.68 = 16,704.78/x
3. Step 3: Cross multiply
   43,003.50x = 64,488.68 × 16,704.78
4. Step 4: Simplify right side
   43,003.50x = 1,077,269,211.89
5. Step 5: Solve for x
   x = 1,077,269,211.89/43,003.50
6. Step 6: Final answer
   x = 25,050.73