Finding the Fourth Proportional to 1,601.00, 2,209.22 and 1,181.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.00 : 2,209.22 = 1,181.57 : x
2. Step 2: Convert to fraction form
   1,601.00/2,209.22 = 1,181.57/x
3. Step 3: Cross multiply
   1,601.00x = 2,209.22 × 1,181.57
4. Step 4: Simplify right side
   1,601.00x = 2,610,347.69
5. Step 5: Solve for x
   x = 2,610,347.69/1,601.00
6. Step 6: Final answer
   x = 1,630.45