Finding the Fourth Proportional to 8,980.72, 13,467.83 and 3,787

Step by Step Solution

1. Step 1: Write the proportion equation
   8,980.72 : 13,467.83 = 3,787 : x
2. Step 2: Convert to fraction form
   8,980.72/13,467.83 = 3,787/x
3. Step 3: Cross multiply
   8,980.72x = 13,467.83 × 3,787
4. Step 4: Simplify right side
   8,980.72x = 51,002,672.21
5. Step 5: Solve for x
   x = 51,002,672.21/8,980.72
6. Step 6: Final answer
   x = 5,679.13