Finding the Fourth Proportional to 10,314.49, 14,219.04 and 7,621.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,314.49 : 14,219.04 = 7,621.75 : x
2. Step 2: Convert to fraction form
   10,314.49/14,219.04 = 7,621.75/x
3. Step 3: Cross multiply
   10,314.49x = 14,219.04 × 7,621.75
4. Step 4: Simplify right side
   10,314.49x = 108,373,934.49
5. Step 5: Solve for x
   x = 108,373,934.49/10,314.49
6. Step 6: Final answer
   x = 10,506.96