Finding the Fourth Proportional to 1,587.89, 2,189.51 and 1,492.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,587.89 : 2,189.51 = 1,492.55 : x
2. Step 2: Convert to fraction form
   1,587.89/2,189.51 = 1,492.55/x
3. Step 3: Cross multiply
   1,587.89x = 2,189.51 × 1,492.55
4. Step 4: Simplify right side
   1,587.89x = 3,267,950.51
5. Step 5: Solve for x
   x = 3,267,950.51/1,587.89
6. Step 6: Final answer
   x = 2,058.04