Finding the Fourth Proportional to 212,401.29, 293,111.49 and 116,905.92

Step by Step Solution

1. Step 1: Write the proportion equation
   212,401.29 : 293,111.49 = 116,905.92 : x
2. Step 2: Convert to fraction form
   212,401.29/293,111.49 = 116,905.92/x
3. Step 3: Cross multiply
   212,401.29x = 293,111.49 × 116,905.92
4. Step 4: Simplify right side
   212,401.29x = 34,266,468,401.02
5. Step 5: Solve for x
   x = 34,266,468,401.02/212,401.29
6. Step 6: Final answer
   x = 161,328.91