Finding the Fourth Proportional to 188,732.50, 283,142.49 and 64,073.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,732.50 : 283,142.49 = 64,073.50 : x
2. Step 2: Convert to fraction form
   188,732.50/283,142.49 = 64,073.50/x
3. Step 3: Cross multiply
   188,732.50x = 283,142.49 × 64,073.50
4. Step 4: Simplify right side
   188,732.50x = 18,141,930,333.02
5. Step 5: Solve for x
   x = 18,141,930,333.02/188,732.50
6. Step 6: Final answer
   x = 96,125.10