Finding the Fourth Proportional to 2,972.43, 4,459.46 and 892.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,972.43 : 4,459.46 = 892.51 : x
2. Step 2: Convert to fraction form
   2,972.43/4,459.46 = 892.51/x
3. Step 3: Cross multiply
   2,972.43x = 4,459.46 × 892.51
4. Step 4: Simplify right side
   2,972.43x = 3,980,097.03
5. Step 5: Solve for x
   x = 3,980,097.03/2,972.43
6. Step 6: Final answer
   x = 1,339.00