Finding the Fourth Proportional to 1,337.70, 2,003.43 and 1,300.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.70 : 2,003.43 = 1,300.79 : x
2. Step 2: Convert to fraction form
   1,337.70/2,003.43 = 1,300.79/x
3. Step 3: Cross multiply
   1,337.70x = 2,003.43 × 1,300.79
4. Step 4: Simplify right side
   1,337.70x = 2,606,031.69
5. Step 5: Solve for x
   x = 2,606,031.69/1,337.70
6. Step 6: Final answer
   x = 1,948.14