Finding the Fourth Proportional to 1,404.65, 2,103.30 and 752.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.65 : 2,103.30 = 752.19 : x
2. Step 2: Convert to fraction form
   1,404.65/2,103.30 = 752.19/x
3. Step 3: Cross multiply
   1,404.65x = 2,103.30 × 752.19
4. Step 4: Simplify right side
   1,404.65x = 1,582,081.23
5. Step 5: Solve for x
   x = 1,582,081.23/1,404.65
6. Step 6: Final answer
   x = 1,126.32