Finding the Fourth Proportional to 11,025.79, 15,210.55 and 7,676.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,025.79 : 15,210.55 = 7,676.83 : x
2. Step 2: Convert to fraction form
   11,025.79/15,210.55 = 7,676.83/x
3. Step 3: Cross multiply
   11,025.79x = 15,210.55 × 7,676.83
4. Step 4: Simplify right side
   11,025.79x = 116,768,806.56
5. Step 5: Solve for x
   x = 116,768,806.56/11,025.79
6. Step 6: Final answer
   x = 10,590.52