Finding the Fourth Proportional to 10,085.75, 15,096.28 and 5,394.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,085.75 : 15,096.28 = 5,394.03 : x
2. Step 2: Convert to fraction form
   10,085.75/15,096.28 = 5,394.03/x
3. Step 3: Cross multiply
   10,085.75x = 15,096.28 × 5,394.03
4. Step 4: Simplify right side
   10,085.75x = 81,429,754.85
5. Step 5: Solve for x
   x = 81,429,754.85/10,085.75
6. Step 6: Final answer
   x = 8,073.74