Finding the Fourth Proportional to 12,395.54, 17,105.63 and 7,359.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,395.54 : 17,105.63 = 7,359.98 : x
2. Step 2: Convert to fraction form
   12,395.54/17,105.63 = 7,359.98/x
3. Step 3: Cross multiply
   12,395.54x = 17,105.63 × 7,359.98
4. Step 4: Simplify right side
   12,395.54x = 125,896,972.36
5. Step 5: Solve for x
   x = 125,896,972.36/12,395.54
6. Step 6: Final answer
   x = 10,156.63