Finding the Fourth Proportional to 12,308.04, 18,457.92 and 4,910.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,308.04 : 18,457.92 = 4,910.16 : x
2. Step 2: Convert to fraction form
   12,308.04/18,457.92 = 4,910.16/x
3. Step 3: Cross multiply
   12,308.04x = 18,457.92 × 4,910.16
4. Step 4: Simplify right side
   12,308.04x = 90,631,340.47
5. Step 5: Solve for x
   x = 90,631,340.47/12,308.04
6. Step 6: Final answer
   x = 7,363.59