Finding the Fourth Proportional to 208,651.33, 287,935.43 and 118,003.89

Step by Step Solution

1. Step 1: Write the proportion equation
   208,651.33 : 287,935.43 = 118,003.89 : x
2. Step 2: Convert to fraction form
   208,651.33/287,935.43 = 118,003.89/x
3. Step 3: Cross multiply
   208,651.33x = 287,935.43 × 118,003.89
4. Step 4: Simplify right side
   208,651.33x = 33,977,500,218.80
5. Step 5: Solve for x
   x = 33,977,500,218.80/208,651.33
6. Step 6: Final answer
   x = 162,843.44