Finding the Fourth Proportional to 2,348.76, 3,540.77 and 2,190.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,348.76 : 3,540.77 = 2,190.22 : x
2. Step 2: Convert to fraction form
   2,348.76/3,540.77 = 2,190.22/x
3. Step 3: Cross multiply
   2,348.76x = 3,540.77 × 2,190.22
4. Step 4: Simplify right side
   2,348.76x = 7,755,065.27
5. Step 5: Solve for x
   x = 7,755,065.27/2,348.76
6. Step 6: Final answer
   x = 3,301.77