Finding the Fourth Proportional to 10,406.04, 14,426.18 and 9,844.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,406.04 : 14,426.18 = 9,844.71 : x
2. Step 2: Convert to fraction form
   10,406.04/14,426.18 = 9,844.71/x
3. Step 3: Cross multiply
   10,406.04x = 14,426.18 × 9,844.71
4. Step 4: Simplify right side
   10,406.04x = 142,021,583.12
5. Step 5: Solve for x
   x = 142,021,583.12/10,406.04
6. Step 6: Final answer
   x = 13,648.00