Finding the Fourth Proportional to 10,085.72, 15,118.16 and 3,844.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,085.72 : 15,118.16 = 3,844.05 : x
2. Step 2: Convert to fraction form
   10,085.72/15,118.16 = 3,844.05/x
3. Step 3: Cross multiply
   10,085.72x = 15,118.16 × 3,844.05
4. Step 4: Simplify right side
   10,085.72x = 58,115,014.59
5. Step 5: Solve for x
   x = 58,115,014.59/10,085.72
6. Step 6: Final answer
   x = 5,762.11