Finding the Fourth Proportional to 206,006.82, 308,961.82 and 116,088.72

Step by Step Solution

1. Step 1: Write the proportion equation
   206,006.82 : 308,961.82 = 116,088.72 : x
2. Step 2: Convert to fraction form
   206,006.82/308,961.82 = 116,088.72/x
3. Step 3: Cross multiply
   206,006.82x = 308,961.82 × 116,088.72
4. Step 4: Simplify right side
   206,006.82x = 35,866,982,212.67
5. Step 5: Solve for x
   x = 35,866,982,212.67/206,006.82
6. Step 6: Final answer
   x = 174,105.80