Finding the Fourth Proportional to 200,633.46, 276,828.69 and 136,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,633.46 : 276,828.69 = 136,111.50 : x
2. Step 2: Convert to fraction form
   200,633.46/276,828.69 = 136,111.50/x
3. Step 3: Cross multiply
   200,633.46x = 276,828.69 × 136,111.50
4. Step 4: Simplify right side
   200,633.46x = 37,679,568,238.94
5. Step 5: Solve for x
   x = 37,679,568,238.94/200,633.46
6. Step 6: Final answer
   x = 187,803.01