Finding the Fourth Proportional to 212,105.27, 292,707.23 and 116,612.63

Step by Step Solution

1. Step 1: Write the proportion equation
   212,105.27 : 292,707.23 = 116,612.63 : x
2. Step 2: Convert to fraction form
   212,105.27/292,707.23 = 116,612.63/x
3. Step 3: Cross multiply
   212,105.27x = 292,707.23 × 116,612.63
4. Step 4: Simplify right side
   212,105.27x = 34,133,357,863.72
5. Step 5: Solve for x
   x = 34,133,357,863.72/212,105.27
6. Step 6: Final answer
   x = 160,926.50