Finding the Fourth Proportional to 1,592.91, 2,398.72 and 1,389.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,592.91 : 2,398.72 = 1,389.90 : x
2. Step 2: Convert to fraction form
   1,592.91/2,398.72 = 1,389.90/x
3. Step 3: Cross multiply
   1,592.91x = 2,398.72 × 1,389.90
4. Step 4: Simplify right side
   1,592.91x = 3,333,980.93
5. Step 5: Solve for x
   x = 3,333,980.93/1,592.91
6. Step 6: Final answer
   x = 2,093.01