Finding the Fourth Proportional to 1,632.43, 2,449.86 and 901.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,632.43 : 2,449.86 = 901.81 : x
2. Step 2: Convert to fraction form
   1,632.43/2,449.86 = 901.81/x
3. Step 3: Cross multiply
   1,632.43x = 2,449.86 × 901.81
4. Step 4: Simplify right side
   1,632.43x = 2,209,308.25
5. Step 5: Solve for x
   x = 2,209,308.25/1,632.43
6. Step 6: Final answer
   x = 1,353.39