Finding the Fourth Proportional to 10,801.40, 16,189.16 and 7,054.97

Step by Step Solution

1. Step 1: Write the proportion equation
   10,801.40 : 16,189.16 = 7,054.97 : x
2. Step 2: Convert to fraction form
   10,801.40/16,189.16 = 7,054.97/x
3. Step 3: Cross multiply
   10,801.40x = 16,189.16 × 7,054.97
4. Step 4: Simplify right side
   10,801.40x = 114,213,921.90
5. Step 5: Solve for x
   x = 114,213,921.90/10,801.40
6. Step 6: Final answer
   x = 10,574.00