Finding the Fourth Proportional to 1,809.21, 2,494.28 and 1,493.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809.21 : 2,494.28 = 1,493.31 : x
2. Step 2: Convert to fraction form
   1,809.21/2,494.28 = 1,493.31/x
3. Step 3: Cross multiply
   1,809.21x = 2,494.28 × 1,493.31
4. Step 4: Simplify right side
   1,809.21x = 3,724,725.80
5. Step 5: Solve for x
   x = 3,724,725.80/1,809.21
6. Step 6: Final answer
   x = 2,058.76