Finding the Fourth Proportional to 200,146.24, 276,106.38 and 123,637.81

Step by Step Solution

1. Step 1: Write the proportion equation
   200,146.24 : 276,106.38 = 123,637.81 : x
2. Step 2: Convert to fraction form
   200,146.24/276,106.38 = 123,637.81/x
3. Step 3: Cross multiply
   200,146.24x = 276,106.38 × 123,637.81
4. Step 4: Simplify right side
   200,146.24x = 34,137,188,150.23
5. Step 5: Solve for x
   x = 34,137,188,150.23/200,146.24
6. Step 6: Final answer
   x = 170,561.23