Finding the Fourth Proportional to 1,300.28, 1,948.59 and 1,260.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.28 : 1,948.59 = 1,260.86 : x
2. Step 2: Convert to fraction form
   1,300.28/1,948.59 = 1,260.86/x
3. Step 3: Cross multiply
   1,300.28x = 1,948.59 × 1,260.86
4. Step 4: Simplify right side
   1,300.28x = 2,456,889.44
5. Step 5: Solve for x
   x = 2,456,889.44/1,300.28
6. Step 6: Final answer
   x = 1,889.52