Finding the Fourth Proportional to 1,720.37, 2,592.03 and 1,556.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,720.37 : 2,592.03 = 1,556.03 : x
2. Step 2: Convert to fraction form
   1,720.37/2,592.03 = 1,556.03/x
3. Step 3: Cross multiply
   1,720.37x = 2,592.03 × 1,556.03
4. Step 4: Simplify right side
   1,720.37x = 4,033,267.61
5. Step 5: Solve for x
   x = 4,033,267.61/1,720.37
6. Step 6: Final answer
   x = 2,344.42