Finding the Fourth Proportional to 10,284.87, 15,423.51 and 5,018.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,284.87 : 15,423.51 = 5,018.36 : x
2. Step 2: Convert to fraction form
   10,284.87/15,423.51 = 5,018.36/x
3. Step 3: Cross multiply
   10,284.87x = 15,423.51 × 5,018.36
4. Step 4: Simplify right side
   10,284.87x = 77,400,667.34
5. Step 5: Solve for x
   x = 77,400,667.34/10,284.87
6. Step 6: Final answer
   x = 7,525.68