Finding the Fourth Proportional to 200,651.61, 276,803.82 and 120,062.91

Step by Step Solution

1. Step 1: Write the proportion equation
   200,651.61 : 276,803.82 = 120,062.91 : x
2. Step 2: Convert to fraction form
   200,651.61/276,803.82 = 120,062.91/x
3. Step 3: Cross multiply
   200,651.61x = 276,803.82 × 120,062.91
4. Step 4: Simplify right side
   200,651.61x = 33,233,872,128.32
5. Step 5: Solve for x
   x = 33,233,872,128.32/200,651.61
6. Step 6: Final answer
   x = 165,629.73