Finding the Fourth Proportional to 13,756.32, 18,983.76 and 7,468.80

Step by Step Solution

1. Step 1: Write the proportion equation
   13,756.32 : 18,983.76 = 7,468.80 : x
2. Step 2: Convert to fraction form
   13,756.32/18,983.76 = 7,468.80/x
3. Step 3: Cross multiply
   13,756.32x = 18,983.76 × 7,468.80
4. Step 4: Simplify right side
   13,756.32x = 141,785,906.69
5. Step 5: Solve for x
   x = 141,785,906.69/13,756.32
6. Step 6: Final answer
   x = 10,306.96