Finding the Fourth Proportional to 2,552.07, 3,521.76 and 1,559.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.07 : 3,521.76 = 1,559.01 : x
2. Step 2: Convert to fraction form
   2,552.07/3,521.76 = 1,559.01/x
3. Step 3: Cross multiply
   2,552.07x = 3,521.76 × 1,559.01
4. Step 4: Simplify right side
   2,552.07x = 5,490,459.06
5. Step 5: Solve for x
   x = 5,490,459.06/2,552.07
6. Step 6: Final answer
   x = 2,151.37