Finding the Fourth Proportional to 1,492.82, 2,059.05 and 1,213.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492.82 : 2,059.05 = 1,213.05 : x
2. Step 2: Convert to fraction form
   1,492.82/2,059.05 = 1,213.05/x
3. Step 3: Cross multiply
   1,492.82x = 2,059.05 × 1,213.05
4. Step 4: Simplify right side
   1,492.82x = 2,497,730.60
5. Step 5: Solve for x
   x = 2,497,730.60/1,492.82
6. Step 6: Final answer
   x = 1,673.16