Finding the Fourth Proportional to 1,492.06, 2,238.50 and 452.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492.06 : 2,238.50 = 452.10 : x
2. Step 2: Convert to fraction form
   1,492.06/2,238.50 = 452.10/x
3. Step 3: Cross multiply
   1,492.06x = 2,238.50 × 452.10
4. Step 4: Simplify right side
   1,492.06x = 1,012,012.40
5. Step 5: Solve for x
   x = 1,012,012.40/1,492.06
6. Step 6: Final answer
   x = 678.27