Finding the Fourth Proportional to 10,953.09, 16,404.93 and 7,680.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,953.09 : 16,404.93 = 7,680.83 : x
2. Step 2: Convert to fraction form
   10,953.09/16,404.93 = 7,680.83/x
3. Step 3: Cross multiply
   10,953.09x = 16,404.93 × 7,680.83
4. Step 4: Simplify right side
   10,953.09x = 126,003,396.47
5. Step 5: Solve for x
   x = 126,003,396.47/10,953.09
6. Step 6: Final answer
   x = 11,503.91