Finding the Fourth Proportional to 1,457.52, 2,182.76 and 909.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,457.52 : 2,182.76 = 909.01 : x
2. Step 2: Convert to fraction form
   1,457.52/2,182.76 = 909.01/x
3. Step 3: Cross multiply
   1,457.52x = 2,182.76 × 909.01
4. Step 4: Simplify right side
   1,457.52x = 1,984,150.67
5. Step 5: Solve for x
   x = 1,984,150.67/1,457.52
6. Step 6: Final answer
   x = 1,361.32