Finding the Fourth Proportional to 200,412.72, 276,569.48 and 109,774.32

Step by Step Solution

1. Step 1: Write the proportion equation
   200,412.72 : 276,569.48 = 109,774.32 : x
2. Step 2: Convert to fraction form
   200,412.72/276,569.48 = 109,774.32/x
3. Step 3: Cross multiply
   200,412.72x = 276,569.48 × 109,774.32
4. Step 4: Simplify right side
   200,412.72x = 30,360,226,050.88
5. Step 5: Solve for x
   x = 30,360,226,050.88/200,412.72
6. Step 6: Final answer
   x = 151,488.52