Finding the Fourth Proportional to 1,693.89, 2,553.53 and 1,581.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693.89 : 2,553.53 = 1,581.00 : x
2. Step 2: Convert to fraction form
   1,693.89/2,553.53 = 1,581.00/x
3. Step 3: Cross multiply
   1,693.89x = 2,553.53 × 1,581.00
4. Step 4: Simplify right side
   1,693.89x = 4,037,130.09
5. Step 5: Solve for x
   x = 4,037,130.09/1,693.89
6. Step 6: Final answer
   x = 2,383.35