Finding the Fourth Proportional to 13,308.17, 18,365.36 and 7,340.00

Step by Step Solution

1. Step 1: Write the proportion equation
   13,308.17 : 18,365.36 = 7,340.00 : x
2. Step 2: Convert to fraction form
   13,308.17/18,365.36 = 7,340.00/x
3. Step 3: Cross multiply
   13,308.17x = 18,365.36 × 7,340.00
4. Step 4: Simplify right side
   13,308.17x = 134,801,613.87
5. Step 5: Solve for x
   x = 134,801,613.87/13,308.17
6. Step 6: Final answer
   x = 10,129.24