Finding the Fourth Proportional to 200,610, 276,841.80 and 111,186

Step by Step Solution

1. Step 1: Write the proportion equation
   200,610 : 276,841.80 = 111,186 : x
2. Step 2: Convert to fraction form
   200,610/276,841.80 = 111,186/x
3. Step 3: Cross multiply
   200,610x = 276,841.80 × 111,186
4. Step 4: Simplify right side
   200,610x = 30,780,932,374.80
5. Step 5: Solve for x
   x = 30,780,932,374.80/200,610
6. Step 6: Final answer
   x = 153,436.68