Finding the Fourth Proportional to 1,592.92, 2,398.71 and 1,389.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,592.92 : 2,398.71 = 1,389.90 : x
2. Step 2: Convert to fraction form
   1,592.92/2,398.71 = 1,389.90/x
3. Step 3: Cross multiply
   1,592.92x = 2,398.71 × 1,389.90
4. Step 4: Simplify right side
   1,592.92x = 3,333,967.03
5. Step 5: Solve for x
   x = 3,333,967.03/1,592.92
6. Step 6: Final answer
   x = 2,092.99