Finding the Fourth Proportional to 10,109.75, 15,162.18 and 3,087.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,109.75 : 15,162.18 = 3,087.86 : x
2. Step 2: Convert to fraction form
   10,109.75/15,162.18 = 3,087.86/x
3. Step 3: Cross multiply
   10,109.75x = 15,162.18 × 3,087.86
4. Step 4: Simplify right side
   10,109.75x = 46,818,689.13
5. Step 5: Solve for x
   x = 46,818,689.13/10,109.75
6. Step 6: Final answer
   x = 4,631.04