Finding the Fourth Proportional to 1,575.45, 2,359.53 and 1,399.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,575.45 : 2,359.53 = 1,399.59 : x
2. Step 2: Convert to fraction form
   1,575.45/2,359.53 = 1,399.59/x
3. Step 3: Cross multiply
   1,575.45x = 2,359.53 × 1,399.59
4. Step 4: Simplify right side
   1,575.45x = 3,302,367.59
5. Step 5: Solve for x
   x = 3,302,367.59/1,575.45
6. Step 6: Final answer
   x = 2,096.14