Finding the Fourth Proportional to 13,077.69, 19,605.47 and 5,676.58

Step by Step Solution

1. Step 1: Write the proportion equation
   13,077.69 : 19,605.47 = 5,676.58 : x
2. Step 2: Convert to fraction form
   13,077.69/19,605.47 = 5,676.58/x
3. Step 3: Cross multiply
   13,077.69x = 19,605.47 × 5,676.58
4. Step 4: Simplify right side
   13,077.69x = 111,292,018.89
5. Step 5: Solve for x
   x = 111,292,018.89/13,077.69
6. Step 6: Final answer
   x = 8,510.07