Finding the Fourth Proportional to 1,753.22, 2,419.55 and 1,007.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,753.22 : 2,419.55 = 1,007.16 : x
2. Step 2: Convert to fraction form
   1,753.22/2,419.55 = 1,007.16/x
3. Step 3: Cross multiply
   1,753.22x = 2,419.55 × 1,007.16
4. Step 4: Simplify right side
   1,753.22x = 2,436,872.72
5. Step 5: Solve for x
   x = 2,436,872.72/1,753.22
6. Step 6: Final answer
   x = 1,389.94