Finding the Fourth Proportional to 1,300.18, 1,949.66 and 1,052.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.18 : 1,949.66 = 1,052.78 : x
2. Step 2: Convert to fraction form
   1,300.18/1,949.66 = 1,052.78/x
3. Step 3: Cross multiply
   1,300.18x = 1,949.66 × 1,052.78
4. Step 4: Simplify right side
   1,300.18x = 2,052,553.31
5. Step 5: Solve for x
   x = 2,052,553.31/1,300.18
6. Step 6: Final answer
   x = 1,578.67