Finding the Fourth Proportional to 9,607.52, 13,257.86 and 5,415.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,607.52 : 13,257.86 = 5,415.50 : x
2. Step 2: Convert to fraction form
   9,607.52/13,257.86 = 5,415.50/x
3. Step 3: Cross multiply
   9,607.52x = 13,257.86 × 5,415.50
4. Step 4: Simplify right side
   9,607.52x = 71,797,940.83
5. Step 5: Solve for x
   x = 71,797,940.83/9,607.52
6. Step 6: Final answer
   x = 7,473.10