Finding the Fourth Proportional to 9,238.17, 12,747.89 and 5,460.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,238.17 : 12,747.89 = 5,460.64 : x
2. Step 2: Convert to fraction form
   9,238.17/12,747.89 = 5,460.64/x
3. Step 3: Cross multiply
   9,238.17x = 12,747.89 × 5,460.64
4. Step 4: Simplify right side
   9,238.17x = 69,611,638.05
5. Step 5: Solve for x
   x = 69,611,638.05/9,238.17
6. Step 6: Final answer
   x = 7,535.22