Finding the Fourth Proportional to 2,553.83, 3,526.52 and 1,611.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.83 : 3,526.52 = 1,611.30 : x
2. Step 2: Convert to fraction form
   2,553.83/3,526.52 = 1,611.30/x
3. Step 3: Cross multiply
   2,553.83x = 3,526.52 × 1,611.30
4. Step 4: Simplify right side
   2,553.83x = 5,682,273.62
5. Step 5: Solve for x
   x = 5,682,273.62/2,553.83
6. Step 6: Final answer
   x = 2,225.01