Finding the Fourth Proportional to 1,721.00, 2,373.54 and 1,131.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,721.00 : 2,373.54 = 1,131.32 : x
2. Step 2: Convert to fraction form
   1,721.00/2,373.54 = 1,131.32/x
3. Step 3: Cross multiply
   1,721.00x = 2,373.54 × 1,131.32
4. Step 4: Simplify right side
   1,721.00x = 2,685,221.41
5. Step 5: Solve for x
   x = 2,685,221.41/1,721.00
6. Step 6: Final answer
   x = 1,560.27