Finding the Fourth Proportional to 10,144.84, 13,977.59 and 7,581.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,144.84 : 13,977.59 = 7,581.86 : x
2. Step 2: Convert to fraction form
   10,144.84/13,977.59 = 7,581.86/x
3. Step 3: Cross multiply
   10,144.84x = 13,977.59 × 7,581.86
4. Step 4: Simplify right side
   10,144.84x = 105,976,130.52
5. Step 5: Solve for x
   x = 105,976,130.52/10,144.84
6. Step 6: Final answer
   x = 10,446.31