Finding the Fourth Proportional to 1,492.53, 2,058.78 and 886.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492.53 : 2,058.78 = 886.46 : x
2. Step 2: Convert to fraction form
   1,492.53/2,058.78 = 886.46/x
3. Step 3: Cross multiply
   1,492.53x = 2,058.78 × 886.46
4. Step 4: Simplify right side
   1,492.53x = 1,825,011.39
5. Step 5: Solve for x
   x = 1,825,011.39/1,492.53
6. Step 6: Final answer
   x = 1,222.77