Finding the Fourth Proportional to 10,377.32, 15,564.31 and 2,980.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,377.32 : 15,564.31 = 2,980.10 : x
2. Step 2: Convert to fraction form
   10,377.32/15,564.31 = 2,980.10/x
3. Step 3: Cross multiply
   10,377.32x = 15,564.31 × 2,980.10
4. Step 4: Simplify right side
   10,377.32x = 46,383,196.30
5. Step 5: Solve for x
   x = 46,383,196.30/10,377.32
6. Step 6: Final answer
   x = 4,469.67