Finding the Fourth Proportional to 1,337.01, 1,828.68 and 1,315.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.01 : 1,828.68 = 1,315.49 : x
2. Step 2: Convert to fraction form
   1,337.01/1,828.68 = 1,315.49/x
3. Step 3: Cross multiply
   1,337.01x = 1,828.68 × 1,315.49
4. Step 4: Simplify right side
   1,337.01x = 2,405,606.46
5. Step 5: Solve for x
   x = 2,405,606.46/1,337.01
6. Step 6: Final answer
   x = 1,799.25