Finding the Fourth Proportional to 216,426.52, 298,667.97 and 120,933.29

Step by Step Solution

1. Step 1: Write the proportion equation
   216,426.52 : 298,667.97 = 120,933.29 : x
2. Step 2: Convert to fraction form
   216,426.52/298,667.97 = 120,933.29/x
3. Step 3: Cross multiply
   216,426.52x = 298,667.97 × 120,933.29
4. Step 4: Simplify right side
   216,426.52x = 36,118,900,229.72
5. Step 5: Solve for x
   x = 36,118,900,229.72/216,426.52
6. Step 6: Final answer
   x = 166,887.59