Finding the Fourth Proportional to 208,496.82, 287,726.06 and 113,003.48

Step by Step Solution

1. Step 1: Write the proportion equation
   208,496.82 : 287,726.06 = 113,003.48 : x
2. Step 2: Convert to fraction form
   208,496.82/287,726.06 = 113,003.48/x
3. Step 3: Cross multiply
   208,496.82x = 287,726.06 × 113,003.48
4. Step 4: Simplify right side
   208,496.82x = 32,514,046,066.69
5. Step 5: Solve for x
   x = 32,514,046,066.69/208,496.82
6. Step 6: Final answer
   x = 155,945.05