Finding the Fourth Proportional to 1,600.86, 2,208.74 and 937.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,600.86 : 2,208.74 = 937.86 : x
2. Step 2: Convert to fraction form
   1,600.86/2,208.74 = 937.86/x
3. Step 3: Cross multiply
   1,600.86x = 2,208.74 × 937.86
4. Step 4: Simplify right side
   1,600.86x = 2,071,488.90
5. Step 5: Solve for x
   x = 2,071,488.90/1,600.86
6. Step 6: Final answer
   x = 1,293.99