Finding the Fourth Proportional to 12,461.48, 17,196.78 and 6,872.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,461.48 : 17,196.78 = 6,872.48 : x
2. Step 2: Convert to fraction form
   12,461.48/17,196.78 = 6,872.48/x
3. Step 3: Cross multiply
   12,461.48x = 17,196.78 × 6,872.48
4. Step 4: Simplify right side
   12,461.48x = 118,184,526.61
5. Step 5: Solve for x
   x = 118,184,526.61/12,461.48
6. Step 6: Final answer
   x = 9,483.99