Finding the Fourth Proportional to 200,513.76, 276,706.96 and 109,868.64

Step by Step Solution

1. Step 1: Write the proportion equation
   200,513.76 : 276,706.96 = 109,868.64 : x
2. Step 2: Convert to fraction form
   200,513.76/276,706.96 = 109,868.64/x
3. Step 3: Cross multiply
   200,513.76x = 276,706.96 × 109,868.64
4. Step 4: Simplify right side
   200,513.76x = 30,401,417,373.73
5. Step 5: Solve for x
   x = 30,401,417,373.73/200,513.76
6. Step 6: Final answer
   x = 151,617.61