Finding the Fourth Proportional to 13,268.94, 18,311.52 and 7,300.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,268.94 : 18,311.52 = 7,300.76 : x
2. Step 2: Convert to fraction form
   13,268.94/18,311.52 = 7,300.76/x
3. Step 3: Cross multiply
   13,268.94x = 18,311.52 × 7,300.76
4. Step 4: Simplify right side
   13,268.94x = 133,688,012.76
5. Step 5: Solve for x
   x = 133,688,012.76/13,268.94
6. Step 6: Final answer
   x = 10,075.26