Finding the Fourth Proportional to 216,167.50, 298,304.82 and 120,672.10

Step by Step Solution

1. Step 1: Write the proportion equation
   216,167.50 : 298,304.82 = 120,672.10 : x
2. Step 2: Convert to fraction form
   216,167.50/298,304.82 = 120,672.10/x
3. Step 3: Cross multiply
   216,167.50x = 298,304.82 × 120,672.10
4. Step 4: Simplify right side
   216,167.50x = 35,997,069,069.52
5. Step 5: Solve for x
   x = 35,997,069,069.52/216,167.50
6. Step 6: Final answer
   x = 166,523.96