Finding the Fourth Proportional to 200,061.15, 276,080.50 and 109,416.82

Step by Step Solution

1. Step 1: Write the proportion equation
   200,061.15 : 276,080.50 = 109,416.82 : x
2. Step 2: Convert to fraction form
   200,061.15/276,080.50 = 109,416.82/x
3. Step 3: Cross multiply
   200,061.15x = 276,080.50 × 109,416.82
4. Step 4: Simplify right side
   200,061.15x = 30,207,850,374.01
5. Step 5: Solve for x
   x = 30,207,850,374.01/200,061.15
6. Step 6: Final answer
   x = 150,993.09