Finding the Fourth Proportional to 13,303.89, 18,360.47 and 7,336.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,303.89 : 18,360.47 = 7,336.13 : x
2. Step 2: Convert to fraction form
   13,303.89/18,360.47 = 7,336.13/x
3. Step 3: Cross multiply
   13,303.89x = 18,360.47 × 7,336.13
4. Step 4: Simplify right side
   13,303.89x = 134,694,666.30
5. Step 5: Solve for x
   x = 134,694,666.30/13,303.89
6. Step 6: Final answer
   x = 10,124.46