Finding the Fourth Proportional to 10,085.39, 15,128.07 and 3,065.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,085.39 : 15,128.07 = 3,065.37 : x
2. Step 2: Convert to fraction form
   10,085.39/15,128.07 = 3,065.37/x
3. Step 3: Cross multiply
   10,085.39x = 15,128.07 × 3,065.37
4. Step 4: Simplify right side
   10,085.39x = 46,373,131.94
5. Step 5: Solve for x
   x = 46,373,131.94/10,085.39
6. Step 6: Final answer
   x = 4,598.05