Finding the Fourth Proportional to 1,492.86, 2,229.15 and 1,181.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492.86 : 2,229.15 = 1,181.21 : x
2. Step 2: Convert to fraction form
   1,492.86/2,229.15 = 1,181.21/x
3. Step 3: Cross multiply
   1,492.86x = 2,229.15 × 1,181.21
4. Step 4: Simplify right side
   1,492.86x = 2,633,083.86
5. Step 5: Solve for x
   x = 2,633,083.86/1,492.86
6. Step 6: Final answer
   x = 1,763.79