Finding the Fourth Proportional to 208,249.05, 287,383.32 and 112,755.72

Step by Step Solution

1. Step 1: Write the proportion equation
   208,249.05 : 287,383.32 = 112,755.72 : x
2. Step 2: Convert to fraction form
   208,249.05/287,383.32 = 112,755.72/x
3. Step 3: Cross multiply
   208,249.05x = 287,383.32 × 112,755.72
4. Step 4: Simplify right side
   208,249.05x = 32,404,113,162.59
5. Step 5: Solve for x
   x = 32,404,113,162.59/208,249.05
6. Step 6: Final answer
   x = 155,602.69