Finding the Fourth Proportional to 200,619.89, 276,784.53 and 114,516.77

Step by Step Solution

1. Step 1: Write the proportion equation
   200,619.89 : 276,784.53 = 114,516.77 : x
2. Step 2: Convert to fraction form
   200,619.89/276,784.53 = 114,516.77/x
3. Step 3: Cross multiply
   200,619.89x = 276,784.53 × 114,516.77
4. Step 4: Simplify right side
   200,619.89x = 31,696,470,105.12
5. Step 5: Solve for x
   x = 31,696,470,105.12/200,619.89
6. Step 6: Final answer
   x = 157,992.66