Finding the Fourth Proportional to 10,778.16, 16,171.29 and 3,758.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,778.16 : 16,171.29 = 3,758.70 : x
2. Step 2: Convert to fraction form
   10,778.16/16,171.29 = 3,758.70/x
3. Step 3: Cross multiply
   10,778.16x = 16,171.29 × 3,758.70
4. Step 4: Simplify right side
   10,778.16x = 60,783,027.72
5. Step 5: Solve for x
   x = 60,783,027.72/10,778.16
6. Step 6: Final answer
   x = 5,639.46