Finding the Fourth Proportional to 13,296.89, 18,349.83 and 7,328.77

Step by Step Solution

1. Step 1: Write the proportion equation
   13,296.89 : 18,349.83 = 7,328.77 : x
2. Step 2: Convert to fraction form
   13,296.89/18,349.83 = 7,328.77/x
3. Step 3: Cross multiply
   13,296.89x = 18,349.83 × 7,328.77
4. Step 4: Simplify right side
   13,296.89x = 134,481,683.61
5. Step 5: Solve for x
   x = 134,481,683.61/13,296.89
6. Step 6: Final answer
   x = 10,113.77