Finding the Fourth Proportional to 7,401.51, 11,105.51 and 3,242.57

Step by Step Solution

1. Step 1: Write the proportion equation
   7,401.51 : 11,105.51 = 3,242.57 : x
2. Step 2: Convert to fraction form
   7,401.51/11,105.51 = 3,242.57/x
3. Step 3: Cross multiply
   7,401.51x = 11,105.51 × 3,242.57
4. Step 4: Simplify right side
   7,401.51x = 36,010,321.82
5. Step 5: Solve for x
   x = 36,010,321.82/7,401.51
6. Step 6: Final answer
   x = 4,865.27