Finding the Fourth Proportional to 2,670.22, 4,004.71 and 938.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670.22 : 4,004.71 = 938.84 : x
2. Step 2: Convert to fraction form
   2,670.22/4,004.71 = 938.84/x
3. Step 3: Cross multiply
   2,670.22x = 4,004.71 × 938.84
4. Step 4: Simplify right side
   2,670.22x = 3,759,781.94
5. Step 5: Solve for x
   x = 3,759,781.94/2,670.22
6. Step 6: Final answer
   x = 1,408.04