Finding the Fourth Proportional to 10,858.41, 14,979.36 and 7,672.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,858.41 : 14,979.36 = 7,672.26 : x
2. Step 2: Convert to fraction form
   10,858.41/14,979.36 = 7,672.26/x
3. Step 3: Cross multiply
   10,858.41x = 14,979.36 × 7,672.26
4. Step 4: Simplify right side
   10,858.41x = 114,925,544.55
5. Step 5: Solve for x
   x = 114,925,544.55/10,858.41
6. Step 6: Final answer
   x = 10,584.01