Finding the Fourth Proportional to 200,424.47, 276,585.89 and 109,781.95

Step by Step Solution

1. Step 1: Write the proportion equation
   200,424.47 : 276,585.89 = 109,781.95 : x
2. Step 2: Convert to fraction form
   200,424.47/276,585.89 = 109,781.95/x
3. Step 3: Cross multiply
   200,424.47x = 276,585.89 × 109,781.95
4. Step 4: Simplify right side
   200,424.47x = 30,364,138,346.69
5. Step 5: Solve for x
   x = 30,364,138,346.69/200,424.47
6. Step 6: Final answer
   x = 151,499.16