Finding the Fourth Proportional to 200,423.63, 276,584.72 and 109,781.11

Step by Step Solution

1. Step 1: Write the proportion equation
   200,423.63 : 276,584.72 = 109,781.11 : x
2. Step 2: Convert to fraction form
   200,423.63/276,584.72 = 109,781.11/x
3. Step 3: Cross multiply
   200,423.63x = 276,584.72 × 109,781.11
4. Step 4: Simplify right side
   200,423.63x = 30,363,777,570.64
5. Step 5: Solve for x
   x = 30,363,777,570.64/200,423.63
6. Step 6: Final answer
   x = 151,497.99