Finding the Fourth Proportional to 10,085.60, 15,128.04 and 3,845.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,085.60 : 15,128.04 = 3,845.38 : x
2. Step 2: Convert to fraction form
   10,085.60/15,128.04 = 3,845.38/x
3. Step 3: Cross multiply
   10,085.60x = 15,128.04 × 3,845.38
4. Step 4: Simplify right side
   10,085.60x = 58,172,986.82
5. Step 5: Solve for x
   x = 58,172,986.82/10,085.60
6. Step 6: Final answer
   x = 5,767.93