Finding the Fourth Proportional to 1,492.08, 2,058.90 and 828.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492.08 : 2,058.90 = 828.82 : x
2. Step 2: Convert to fraction form
   1,492.08/2,058.90 = 828.82/x
3. Step 3: Cross multiply
   1,492.08x = 2,058.90 × 828.82
4. Step 4: Simplify right side
   1,492.08x = 1,706,457.50
5. Step 5: Solve for x
   x = 1,706,457.50/1,492.08
6. Step 6: Final answer
   x = 1,143.68