Finding the Fourth Proportional to 10,461.78, 14,436.27 and 6,212.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,461.78 : 14,436.27 = 6,212.07 : x
2. Step 2: Convert to fraction form
   10,461.78/14,436.27 = 6,212.07/x
3. Step 3: Cross multiply
   10,461.78x = 14,436.27 × 6,212.07
4. Step 4: Simplify right side
   10,461.78x = 89,679,119.78
5. Step 5: Solve for x
   x = 89,679,119.78/10,461.78
6. Step 6: Final answer
   x = 8,572.07