Finding the Fourth Proportional to 12,647.55, 17,467.72 and 9,848.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,647.55 : 17,467.72 = 9,848.60 : x
2. Step 2: Convert to fraction form
   12,647.55/17,467.72 = 9,848.60/x
3. Step 3: Cross multiply
   12,647.55x = 17,467.72 × 9,848.60
4. Step 4: Simplify right side
   12,647.55x = 172,032,450.61
5. Step 5: Solve for x
   x = 172,032,450.61/12,647.55
6. Step 6: Final answer
   x = 13,602.04