Finding the Fourth Proportional to 1,491.42, 2,057.82 and 901.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,491.42 : 2,057.82 = 901.82 : x
2. Step 2: Convert to fraction form
   1,491.42/2,057.82 = 901.82/x
3. Step 3: Cross multiply
   1,491.42x = 2,057.82 × 901.82
4. Step 4: Simplify right side
   1,491.42x = 1,855,783.23
5. Step 5: Solve for x
   x = 1,855,783.23/1,491.42
6. Step 6: Final answer
   x = 1,244.31