Finding the Fourth Proportional to 11,680.32, 17,522.46 and 5,106.36

Step by Step Solution

1. Step 1: Write the proportion equation
   11,680.32 : 17,522.46 = 5,106.36 : x
2. Step 2: Convert to fraction form
   11,680.32/17,522.46 = 5,106.36/x
3. Step 3: Cross multiply
   11,680.32x = 17,522.46 × 5,106.36
4. Step 4: Simplify right side
   11,680.32x = 89,475,988.85
5. Step 5: Solve for x
   x = 89,475,988.85/11,680.32
6. Step 6: Final answer
   x = 7,660.41