Finding the Fourth Proportional to 2,137.78, 2,948.34 and 1,694.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,137.78 : 2,948.34 = 1,694.98 : x
2. Step 2: Convert to fraction form
   2,137.78/2,948.34 = 1,694.98/x
3. Step 3: Cross multiply
   2,137.78x = 2,948.34 × 1,694.98
4. Step 4: Simplify right side
   2,137.78x = 4,997,377.33
5. Step 5: Solve for x
   x = 4,997,377.33/2,137.78
6. Step 6: Final answer
   x = 2,337.65