Finding the Fourth Proportional to 1,753.30, 2,419.37 and 1,007.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,753.30 : 2,419.37 = 1,007.49 : x
2. Step 2: Convert to fraction form
   1,753.30/2,419.37 = 1,007.49/x
3. Step 3: Cross multiply
   1,753.30x = 2,419.37 × 1,007.49
4. Step 4: Simplify right side
   1,753.30x = 2,437,485.29
5. Step 5: Solve for x
   x = 2,437,485.29/1,753.30
6. Step 6: Final answer
   x = 1,390.23