Finding the Fourth Proportional to 200,279.49, 276,416.06 and 114,238.05

Step by Step Solution

1. Step 1: Write the proportion equation
   200,279.49 : 276,416.06 = 114,238.05 : x
2. Step 2: Convert to fraction form
   200,279.49/276,416.06 = 114,238.05/x
3. Step 3: Cross multiply
   200,279.49x = 276,416.06 × 114,238.05
4. Step 4: Simplify right side
   200,279.49x = 31,577,231,111.89
5. Step 5: Solve for x
   x = 31,577,231,111.89/200,279.49
6. Step 6: Final answer
   x = 157,665.83