Finding the Fourth Proportional to 200,364.20, 276,503.06 and 109,726.10

Step by Step Solution

1. Step 1: Write the proportion equation
   200,364.20 : 276,503.06 = 109,726.10 : x
2. Step 2: Convert to fraction form
   200,364.20/276,503.06 = 109,726.10/x
3. Step 3: Cross multiply
   200,364.20x = 276,503.06 × 109,726.10
4. Step 4: Simplify right side
   200,364.20x = 30,339,601,720.61
5. Step 5: Solve for x
   x = 30,339,601,720.61/200,364.20
6. Step 6: Final answer
   x = 151,422.27