Finding the Fourth Proportional to 200,530.71, 276,720.37 and 109,868.63

Step by Step Solution

1. Step 1: Write the proportion equation
   200,530.71 : 276,720.37 = 109,868.63 : x
2. Step 2: Convert to fraction form
   200,530.71/276,720.37 = 109,868.63/x
3. Step 3: Cross multiply
   200,530.71x = 276,720.37 × 109,868.63
4. Step 4: Simplify right side
   200,530.71x = 30,402,886,286.72
5. Step 5: Solve for x
   x = 30,402,886,286.72/200,530.71
6. Step 6: Final answer
   x = 151,612.12