Finding the Fourth Proportional to 10,496.86, 14,498.67 and 7,621

Step by Step Solution

1. Step 1: Write the proportion equation
   10,496.86 : 14,498.67 = 7,621 : x
2. Step 2: Convert to fraction form
   10,496.86/14,498.67 = 7,621/x
3. Step 3: Cross multiply
   10,496.86x = 14,498.67 × 7,621
4. Step 4: Simplify right side
   10,496.86x = 110,494,364.07
5. Step 5: Solve for x
   x = 110,494,364.07/10,496.86
6. Step 6: Final answer
   x = 10,526.42