Finding the Fourth Proportional to 12,436.61, 17,162.01 and 7,127.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,436.61 : 17,162.01 = 7,127.73 : x
2. Step 2: Convert to fraction form
   12,436.61/17,162.01 = 7,127.73/x
3. Step 3: Cross multiply
   12,436.61x = 17,162.01 × 7,127.73
4. Step 4: Simplify right side
   12,436.61x = 122,326,173.54
5. Step 5: Solve for x
   x = 122,326,173.54/12,436.61
6. Step 6: Final answer
   x = 9,835.98