Finding the Fourth Proportional to 10,821.56, 14,931.38 and 7,044.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,821.56 : 14,931.38 = 7,044.32 : x
2. Step 2: Convert to fraction form
   10,821.56/14,931.38 = 7,044.32/x
3. Step 3: Cross multiply
   10,821.56x = 14,931.38 × 7,044.32
4. Step 4: Simplify right side
   10,821.56x = 105,181,418.76
5. Step 5: Solve for x
   x = 105,181,418.76/10,821.56
6. Step 6: Final answer
   x = 9,719.62