Finding the Fourth Proportional to 1,492.48, 2,223.72 and 1,436.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492.48 : 2,223.72 = 1,436.64 : x
2. Step 2: Convert to fraction form
   1,492.48/2,223.72 = 1,436.64/x
3. Step 3: Cross multiply
   1,492.48x = 2,223.72 × 1,436.64
4. Step 4: Simplify right side
   1,492.48x = 3,194,685.10
5. Step 5: Solve for x
   x = 3,194,685.10/1,492.48
6. Step 6: Final answer
   x = 2,140.52