Finding the Fourth Proportional to 10,581.81, 14,603.58 and 6,105.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,581.81 : 14,603.58 = 6,105.75 : x
2. Step 2: Convert to fraction form
   10,581.81/14,603.58 = 6,105.75/x
3. Step 3: Cross multiply
   10,581.81x = 14,603.58 × 6,105.75
4. Step 4: Simplify right side
   10,581.81x = 89,165,808.59
5. Step 5: Solve for x
   x = 89,165,808.59/10,581.81
6. Step 6: Final answer
   x = 8,426.33