Finding the Fourth Proportional to 208,500.18, 287,723.25 and 123,566.82

Step by Step Solution

1. Step 1: Write the proportion equation
   208,500.18 : 287,723.25 = 123,566.82 : x
2. Step 2: Convert to fraction form
   208,500.18/287,723.25 = 123,566.82/x
3. Step 3: Cross multiply
   208,500.18x = 287,723.25 × 123,566.82
4. Step 4: Simplify right side
   208,500.18x = 35,553,047,042.57
5. Step 5: Solve for x
   x = 35,553,047,042.57/208,500.18
6. Step 6: Final answer
   x = 170,518.06