Finding the Fourth Proportional to 1,300.42, 1,933.91 and 1,259.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.42 : 1,933.91 = 1,259.41 : x
2. Step 2: Convert to fraction form
   1,300.42/1,933.91 = 1,259.41/x
3. Step 3: Cross multiply
   1,300.42x = 1,933.91 × 1,259.41
4. Step 4: Simplify right side
   1,300.42x = 2,435,585.59
5. Step 5: Solve for x
   x = 2,435,585.59/1,300.42
6. Step 6: Final answer
   x = 1,872.92