Finding the Fourth Proportional to 13,077.32, 19,604.92 and 5,676.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,077.32 : 19,604.92 = 5,676.18 : x
2. Step 2: Convert to fraction form
   13,077.32/19,604.92 = 5,676.18/x
3. Step 3: Cross multiply
   13,077.32x = 19,604.92 × 5,676.18
4. Step 4: Simplify right side
   13,077.32x = 111,281,054.81
5. Step 5: Solve for x
   x = 111,281,054.81/13,077.32
6. Step 6: Final answer
   x = 8,509.47