Finding the Fourth Proportional to 166,168.50, 249,356.46 and 67,672.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,168.50 : 249,356.46 = 67,672.50 : x
2. Step 2: Convert to fraction form
   166,168.50/249,356.46 = 67,672.50/x
3. Step 3: Cross multiply
   166,168.50x = 249,356.46 × 67,672.50
4. Step 4: Simplify right side
   166,168.50x = 16,874,575,039.35
5. Step 5: Solve for x
   x = 16,874,575,039.35/166,168.50
6. Step 6: Final answer
   x = 101,550.99