Finding the Fourth Proportional to 7,429.31, 11,071.60 and 7,204.03

Step by Step Solution

1. Step 1: Write the proportion equation
   7,429.31 : 11,071.60 = 7,204.03 : x
2. Step 2: Convert to fraction form
   7,429.31/11,071.60 = 7,204.03/x
3. Step 3: Cross multiply
   7,429.31x = 11,071.60 × 7,204.03
4. Step 4: Simplify right side
   7,429.31x = 79,760,145.25
5. Step 5: Solve for x
   x = 79,760,145.25/7,429.31
6. Step 6: Final answer
   x = 10,735.88