Finding the Fourth Proportional to 10,780.28, 14,876.78 and 6,064.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,780.28 : 14,876.78 = 6,064.56 : x
2. Step 2: Convert to fraction form
   10,780.28/14,876.78 = 6,064.56/x
3. Step 3: Cross multiply
   10,780.28x = 14,876.78 × 6,064.56
4. Step 4: Simplify right side
   10,780.28x = 90,221,120.58
5. Step 5: Solve for x
   x = 90,221,120.58/10,780.28
6. Step 6: Final answer
   x = 8,369.09