Finding the Fourth Proportional to 7,815.54, 10,788.76 and 7,604.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,815.54 : 10,788.76 = 7,604.94 : x
2. Step 2: Convert to fraction form
   7,815.54/10,788.76 = 7,604.94/x
3. Step 3: Cross multiply
   7,815.54x = 10,788.76 × 7,604.94
4. Step 4: Simplify right side
   7,815.54x = 82,047,872.47
5. Step 5: Solve for x
   x = 82,047,872.47/7,815.54
6. Step 6: Final answer
   x = 10,498.04