Finding the Fourth Proportional to 2,101.44, 2,900.37 and 1,393.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.44 : 2,900.37 = 1,393.29 : x
2. Step 2: Convert to fraction form
   2,101.44/2,900.37 = 1,393.29/x
3. Step 3: Cross multiply
   2,101.44x = 2,900.37 × 1,393.29
4. Step 4: Simplify right side
   2,101.44x = 4,041,056.52
5. Step 5: Solve for x
   x = 4,041,056.52/2,101.44
6. Step 6: Final answer
   x = 1,922.99