Finding the Fourth Proportional to 10,019.67, 15,039.32 and 4,758.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,019.67 : 15,039.32 = 4,758.23 : x
2. Step 2: Convert to fraction form
   10,019.67/15,039.32 = 4,758.23/x
3. Step 3: Cross multiply
   10,019.67x = 15,039.32 × 4,758.23
4. Step 4: Simplify right side
   10,019.67x = 71,560,444.62
5. Step 5: Solve for x
   x = 71,560,444.62/10,019.67
6. Step 6: Final answer
   x = 7,142.00