Finding the Fourth Proportional to 1,492.09, 2,234.31 and 1,448.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492.09 : 2,234.31 = 1,448.31 : x
2. Step 2: Convert to fraction form
   1,492.09/2,234.31 = 1,448.31/x
3. Step 3: Cross multiply
   1,492.09x = 2,234.31 × 1,448.31
4. Step 4: Simplify right side
   1,492.09x = 3,235,973.52
5. Step 5: Solve for x
   x = 3,235,973.52/1,492.09
6. Step 6: Final answer
   x = 2,168.75