Finding the Fourth Proportional to 1,300.54, 1,934.11 and 1,259.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.54 : 1,934.11 = 1,259.53 : x
2. Step 2: Convert to fraction form
   1,300.54/1,934.11 = 1,259.53/x
3. Step 3: Cross multiply
   1,300.54x = 1,934.11 × 1,259.53
4. Step 4: Simplify right side
   1,300.54x = 2,436,063.27
5. Step 5: Solve for x
   x = 2,436,063.27/1,300.54
6. Step 6: Final answer
   x = 1,873.12