Finding the Fourth Proportional to 200,355, 276,498.54 and 110,931

Step by Step Solution

1. Step 1: Write the proportion equation
   200,355 : 276,498.54 = 110,931 : x
2. Step 2: Convert to fraction form
   200,355/276,498.54 = 110,931/x
3. Step 3: Cross multiply
   200,355x = 276,498.54 × 110,931
4. Step 4: Simplify right side
   200,355x = 30,672,259,540.74
5. Step 5: Solve for x
   x = 30,672,259,540.74/200,355
6. Step 6: Final answer
   x = 153,089.56