Finding the Fourth Proportional to 200,393.22, 276,543 and 108,513.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,393.22 : 276,543 = 108,513.50 : x
2. Step 2: Convert to fraction form
   200,393.22/276,543 = 108,513.50/x
3. Step 3: Cross multiply
   200,393.22x = 276,543 × 108,513.50
4. Step 4: Simplify right side
   200,393.22x = 30,008,649,521.86
5. Step 5: Solve for x
   x = 30,008,649,521.86/200,393.22
6. Step 6: Final answer
   x = 149,748.83