Finding the Fourth Proportional to 7,238.17, 10,853.61 and 3,534.85

Step by Step Solution

1. Step 1: Write the proportion equation
   7,238.17 : 10,853.61 = 3,534.85 : x
2. Step 2: Convert to fraction form
   7,238.17/10,853.61 = 3,534.85/x
3. Step 3: Cross multiply
   7,238.17x = 10,853.61 × 3,534.85
4. Step 4: Simplify right side
   7,238.17x = 38,365,883.31
5. Step 5: Solve for x
   x = 38,365,883.31/7,238.17
6. Step 6: Final answer
   x = 5,300.49