Finding the Fourth Proportional to 2,123.50, 2,929.16 and 1,336.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.50 : 2,929.16 = 1,336.18 : x
2. Step 2: Convert to fraction form
   2,123.50/2,929.16 = 1,336.18/x
3. Step 3: Cross multiply
   2,123.50x = 2,929.16 × 1,336.18
4. Step 4: Simplify right side
   2,123.50x = 3,913,885.01
5. Step 5: Solve for x
   x = 3,913,885.01/2,123.50
6. Step 6: Final answer
   x = 1,843.13