Finding the Fourth Proportional to 1,631.44, 2,445.33 and 900.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631.44 : 2,445.33 = 900.01 : x
2. Step 2: Convert to fraction form
   1,631.44/2,445.33 = 900.01/x
3. Step 3: Cross multiply
   1,631.44x = 2,445.33 × 900.01
4. Step 4: Simplify right side
   1,631.44x = 2,200,821.45
5. Step 5: Solve for x
   x = 2,200,821.45/1,631.44
6. Step 6: Final answer
   x = 1,349.01