Finding the Fourth Proportional to 10,941.81, 16,308.77 and 10,319.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,941.81 : 16,308.77 = 10,319.10 : x
2. Step 2: Convert to fraction form
   10,941.81/16,308.77 = 10,319.10/x
3. Step 3: Cross multiply
   10,941.81x = 16,308.77 × 10,319.10
4. Step 4: Simplify right side
   10,941.81x = 168,291,828.51
5. Step 5: Solve for x
   x = 168,291,828.51/10,941.81
6. Step 6: Final answer
   x = 15,380.62