Finding the Fourth Proportional to 200,390.22, 276,538.86 and 108,510.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,390.22 : 276,538.86 = 108,510.50 : x
2. Step 2: Convert to fraction form
   200,390.22/276,538.86 = 108,510.50/x
3. Step 3: Cross multiply
   200,390.22x = 276,538.86 × 108,510.50
4. Step 4: Simplify right side
   200,390.22x = 30,007,370,659.38
5. Step 5: Solve for x
   x = 30,007,370,659.38/200,390.22
6. Step 6: Final answer
   x = 149,744.69