Finding the Fourth Proportional to 200,111.57, 276,153.88 and 109,467.51

Step by Step Solution

1. Step 1: Write the proportion equation
   200,111.57 : 276,153.88 = 109,467.51 : x
2. Step 2: Convert to fraction form
   200,111.57/276,153.88 = 109,467.51/x
3. Step 3: Cross multiply
   200,111.57x = 276,153.88 × 109,467.51
4. Step 4: Simplify right side
   200,111.57x = 30,229,878,382.35
5. Step 5: Solve for x
   x = 30,229,878,382.35/200,111.57
6. Step 6: Final answer
   x = 151,065.12