Finding the Fourth Proportional to 8,967.41, 12,346.86 and 7,620.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,967.41 : 12,346.86 = 7,620.18 : x
2. Step 2: Convert to fraction form
   8,967.41/12,346.86 = 7,620.18/x
3. Step 3: Cross multiply
   8,967.41x = 12,346.86 × 7,620.18
4. Step 4: Simplify right side
   8,967.41x = 94,085,213.61
5. Step 5: Solve for x
   x = 94,085,213.61/8,967.41
6. Step 6: Final answer
   x = 10,491.91