Finding the Fourth Proportional to 1,404.22, 2,102.38 and 744.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.22 : 2,102.38 = 744.61 : x
2. Step 2: Convert to fraction form
   1,404.22/2,102.38 = 744.61/x
3. Step 3: Cross multiply
   1,404.22x = 2,102.38 × 744.61
4. Step 4: Simplify right side
   1,404.22x = 1,565,453.17
5. Step 5: Solve for x
   x = 1,565,453.17/1,404.22
6. Step 6: Final answer
   x = 1,114.82