Finding the Fourth Proportional to 10,126.08, 15,188.72 and 3,105.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,126.08 : 15,188.72 = 3,105.81 : x
2. Step 2: Convert to fraction form
   10,126.08/15,188.72 = 3,105.81/x
3. Step 3: Cross multiply
   10,126.08x = 15,188.72 × 3,105.81
4. Step 4: Simplify right side
   10,126.08x = 47,173,262.93
5. Step 5: Solve for x
   x = 47,173,262.93/10,126.08
6. Step 6: Final answer
   x = 4,658.59