Finding the Fourth Proportional to 10,504.73, 14,495.21 and 7,109.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,504.73 : 14,495.21 = 7,109.16 : x
2. Step 2: Convert to fraction form
   10,504.73/14,495.21 = 7,109.16/x
3. Step 3: Cross multiply
   10,504.73x = 14,495.21 × 7,109.16
4. Step 4: Simplify right side
   10,504.73x = 103,048,731.58
5. Step 5: Solve for x
   x = 103,048,731.58/10,504.73
6. Step 6: Final answer
   x = 9,809.75