Finding the Fourth Proportional to 2,123.08, 2,929.34 and 1,226.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.08 : 2,929.34 = 1,226.82 : x
2. Step 2: Convert to fraction form
   2,123.08/2,929.34 = 1,226.82/x
3. Step 3: Cross multiply
   2,123.08x = 2,929.34 × 1,226.82
4. Step 4: Simplify right side
   2,123.08x = 3,593,772.90
5. Step 5: Solve for x
   x = 3,593,772.90/2,123.08
6. Step 6: Final answer
   x = 1,692.72