Finding the Fourth Proportional to 10,984.58, 15,154.89 and 7,626.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,984.58 : 15,154.89 = 7,626.50 : x
2. Step 2: Convert to fraction form
   10,984.58/15,154.89 = 7,626.50/x
3. Step 3: Cross multiply
   10,984.58x = 15,154.89 × 7,626.50
4. Step 4: Simplify right side
   10,984.58x = 115,578,768.59
5. Step 5: Solve for x
   x = 115,578,768.59/10,984.58
6. Step 6: Final answer
   x = 10,521.91