Finding the Fourth Proportional to 200,356.72, 276,491.64 and 110,932.72

Step by Step Solution

1. Step 1: Write the proportion equation
   200,356.72 : 276,491.64 = 110,932.72 : x
2. Step 2: Convert to fraction form
   200,356.72/276,491.64 = 110,932.72/x
3. Step 3: Cross multiply
   200,356.72x = 276,491.64 × 110,932.72
4. Step 4: Simplify right side
   200,356.72x = 30,671,969,682.46
5. Step 5: Solve for x
   x = 30,671,969,682.46/200,356.72
6. Step 6: Final answer
   x = 153,086.80