Finding the Fourth Proportional to 43,002.50, 64,487.18 and 16,703.78

Step by Step Solution

1. Step 1: Write the proportion equation
   43,002.50 : 64,487.18 = 16,703.78 : x
2. Step 2: Convert to fraction form
   43,002.50/64,487.18 = 16,703.78/x
3. Step 3: Cross multiply
   43,002.50x = 64,487.18 × 16,703.78
4. Step 4: Simplify right side
   43,002.50x = 1,077,179,667.54
5. Step 5: Solve for x
   x = 1,077,179,667.54/43,002.50
6. Step 6: Final answer
   x = 25,049.23