Finding the Fourth Proportional to 200,362.29, 276,499.93 and 109,723.78

Step by Step Solution

1. Step 1: Write the proportion equation
   200,362.29 : 276,499.93 = 109,723.78 : x
2. Step 2: Convert to fraction form
   200,362.29/276,499.93 = 109,723.78/x
3. Step 3: Cross multiply
   200,362.29x = 276,499.93 × 109,723.78
4. Step 4: Simplify right side
   200,362.29x = 30,338,617,489.34
5. Step 5: Solve for x
   x = 30,338,617,489.34/200,362.29
6. Step 6: Final answer
   x = 151,418.80