Finding the Fourth Proportional to 13,756.42, 18,983.82 and 7,468.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,756.42 : 18,983.82 = 7,468.78 : x
2. Step 2: Convert to fraction form
   13,756.42/18,983.82 = 7,468.78/x
3. Step 3: Cross multiply
   13,756.42x = 18,983.82 × 7,468.78
4. Step 4: Simplify right side
   13,756.42x = 141,785,975.14
5. Step 5: Solve for x
   x = 141,785,975.14/13,756.42
6. Step 6: Final answer
   x = 10,306.89