Finding the Fourth Proportional to 200,069.14, 276,085.18 and 109,407.48

Step by Step Solution

1. Step 1: Write the proportion equation
   200,069.14 : 276,085.18 = 109,407.48 : x
2. Step 2: Convert to fraction form
   200,069.14/276,085.18 = 109,407.48/x
3. Step 3: Cross multiply
   200,069.14x = 276,085.18 × 109,407.48
4. Step 4: Simplify right side
   200,069.14x = 30,205,783,809.15
5. Step 5: Solve for x
   x = 30,205,783,809.15/200,069.14
6. Step 6: Final answer
   x = 150,976.73