Finding the Fourth Proportional to 13,307.82, 18,364.51 and 7,340.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,307.82 : 18,364.51 = 7,340.03 : x
2. Step 2: Convert to fraction form
   13,307.82/18,364.51 = 7,340.03/x
3. Step 3: Cross multiply
   13,307.82x = 18,364.51 × 7,340.03
4. Step 4: Simplify right side
   13,307.82x = 134,796,054.34
5. Step 5: Solve for x
   x = 134,796,054.34/13,307.82
6. Step 6: Final answer
   x = 10,129.09