Finding the Fourth Proportional to 10,012.52, 15,019.58 and 3,087

Step by Step Solution

1. Step 1: Write the proportion equation
   10,012.52 : 15,019.58 = 3,087 : x
2. Step 2: Convert to fraction form
   10,012.52/15,019.58 = 3,087/x
3. Step 3: Cross multiply
   10,012.52x = 15,019.58 × 3,087
4. Step 4: Simplify right side
   10,012.52x = 46,365,443.46
5. Step 5: Solve for x
   x = 46,365,443.46/10,012.52
6. Step 6: Final answer
   x = 4,630.75