Finding the Fourth Proportional to 1,492.07, 2,058.89 and 862.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492.07 : 2,058.89 = 862.47 : x
2. Step 2: Convert to fraction form
   1,492.07/2,058.89 = 862.47/x
3. Step 3: Cross multiply
   1,492.07x = 2,058.89 × 862.47
4. Step 4: Simplify right side
   1,492.07x = 1,775,726.55
5. Step 5: Solve for x
   x = 1,775,726.55/1,492.07
6. Step 6: Final answer
   x = 1,190.11