Finding the Fourth Proportional to 212,431.83, 293,152.82 and 116,936.07

Step by Step Solution

1. Step 1: Write the proportion equation
   212,431.83 : 293,152.82 = 116,936.07 : x
2. Step 2: Convert to fraction form
   212,431.83/293,152.82 = 116,936.07/x
3. Step 3: Cross multiply
   212,431.83x = 293,152.82 × 116,936.07
4. Step 4: Simplify right side
   212,431.83x = 34,280,138,095.54
5. Step 5: Solve for x
   x = 34,280,138,095.54/212,431.83
6. Step 6: Final answer
   x = 161,370.06