Finding the Fourth Proportional to 212,954.72, 293,872.37 and 117,459.37

Step by Step Solution

1. Step 1: Write the proportion equation
   212,954.72 : 293,872.37 = 117,459.37 : x
2. Step 2: Convert to fraction form
   212,954.72/293,872.37 = 117,459.37/x
3. Step 3: Cross multiply
   212,954.72x = 293,872.37 × 117,459.37
4. Step 4: Simplify right side
   212,954.72x = 34,518,061,383.95
5. Step 5: Solve for x
   x = 34,518,061,383.95/212,954.72
6. Step 6: Final answer
   x = 162,091.08