Finding the Fourth Proportional to 1,556.02, 2,144.85 and 1,525.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556.02 : 2,144.85 = 1,525.30 : x
2. Step 2: Convert to fraction form
   1,556.02/2,144.85 = 1,525.30/x
3. Step 3: Cross multiply
   1,556.02x = 2,144.85 × 1,525.30
4. Step 4: Simplify right side
   1,556.02x = 3,271,539.71
5. Step 5: Solve for x
   x = 3,271,539.71/1,556.02
6. Step 6: Final answer
   x = 2,102.50