Finding the Fourth Proportional to 11,604.78, 16,002.50 and 6,888.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,604.78 : 16,002.50 = 6,888.15 : x
2. Step 2: Convert to fraction form
   11,604.78/16,002.50 = 6,888.15/x
3. Step 3: Cross multiply
   11,604.78x = 16,002.50 × 6,888.15
4. Step 4: Simplify right side
   11,604.78x = 110,227,585.93
5. Step 5: Solve for x
   x = 110,227,585.93/11,604.78
6. Step 6: Final answer
   x = 9,498.46