Finding the Fourth Proportional to 13,268.78, 18,310.94 and 7,300.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,268.78 : 18,310.94 = 7,300.82 : x
2. Step 2: Convert to fraction form
   13,268.78/18,310.94 = 7,300.82/x
3. Step 3: Cross multiply
   13,268.78x = 18,310.94 × 7,300.82
4. Step 4: Simplify right side
   13,268.78x = 133,684,748.91
5. Step 5: Solve for x
   x = 133,684,748.91/13,268.78
6. Step 6: Final answer
   x = 10,075.14