Finding the Fourth Proportional to 2,500.99, 3,450.66 and 1,556.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.99 : 3,450.66 = 1,556.93 : x
2. Step 2: Convert to fraction form
   2,500.99/3,450.66 = 1,556.93/x
3. Step 3: Cross multiply
   2,500.99x = 3,450.66 × 1,556.93
4. Step 4: Simplify right side
   2,500.99x = 5,372,436.07
5. Step 5: Solve for x
   x = 5,372,436.07/2,500.99
6. Step 6: Final answer
   x = 2,148.13