Finding the Fourth Proportional to 2,123.02, 2,929.26 and 1,238.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.02 : 2,929.26 = 1,238.32 : x
2. Step 2: Convert to fraction form
   2,123.02/2,929.26 = 1,238.32/x
3. Step 3: Cross multiply
   2,123.02x = 2,929.26 × 1,238.32
4. Step 4: Simplify right side
   2,123.02x = 3,627,361.24
5. Step 5: Solve for x
   x = 3,627,361.24/2,123.02
6. Step 6: Final answer
   x = 1,708.59