Finding the Fourth Proportional to 200,081.13, 276,118.52 and 109,437.09

Step by Step Solution

1. Step 1: Write the proportion equation
   200,081.13 : 276,118.52 = 109,437.09 : x
2. Step 2: Convert to fraction form
   200,081.13/276,118.52 = 109,437.09/x
3. Step 3: Cross multiply
   200,081.13x = 276,118.52 × 109,437.09
4. Step 4: Simplify right side
   200,081.13x = 30,217,606,776.72
5. Step 5: Solve for x
   x = 30,217,606,776.72/200,081.13
6. Step 6: Final answer
   x = 151,026.77