Finding the Fourth Proportional to 9,484.20, 13,087.98 and 5,235.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,484.20 : 13,087.98 = 5,235.10 : x
2. Step 2: Convert to fraction form
   9,484.20/13,087.98 = 5,235.10/x
3. Step 3: Cross multiply
   9,484.20x = 13,087.98 × 5,235.10
4. Step 4: Simplify right side
   9,484.20x = 68,516,884.10
5. Step 5: Solve for x
   x = 68,516,884.10/9,484.20
6. Step 6: Final answer
   x = 7,224.32