Finding the Fourth Proportional to 1,592.45, 2,387.51 and 1,071.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,592.45 : 2,387.51 = 1,071.15 : x
2. Step 2: Convert to fraction form
   1,592.45/2,387.51 = 1,071.15/x
3. Step 3: Cross multiply
   1,592.45x = 2,387.51 × 1,071.15
4. Step 4: Simplify right side
   1,592.45x = 2,557,381.34
5. Step 5: Solve for x
   x = 2,557,381.34/1,592.45
6. Step 6: Final answer
   x = 1,605.94