Finding the Fourth Proportional to 212,952.72, 293,869.61 and 117,457.37

Step by Step Solution

1. Step 1: Write the proportion equation
   212,952.72 : 293,869.61 = 117,457.37 : x
2. Step 2: Convert to fraction form
   212,952.72/293,869.61 = 117,457.37/x
3. Step 3: Cross multiply
   212,952.72x = 293,869.61 × 117,457.37
4. Step 4: Simplify right side
   212,952.72x = 34,517,150,999.37
5. Step 5: Solve for x
   x = 34,517,150,999.37/212,952.72
6. Step 6: Final answer
   x = 162,088.33