Finding the Fourth Proportional to 7,212.29, 10,798.89 and 3,742.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,212.29 : 10,798.89 = 3,742.25 : x
2. Step 2: Convert to fraction form
   7,212.29/10,798.89 = 3,742.25/x
3. Step 3: Cross multiply
   7,212.29x = 10,798.89 × 3,742.25
4. Step 4: Simplify right side
   7,212.29x = 40,412,138.82
5. Step 5: Solve for x
   x = 40,412,138.82/7,212.29
6. Step 6: Final answer
   x = 5,603.23