Finding the Fourth Proportional to 6,667.56, 10,004.99 and 5,010.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,667.56 : 10,004.99 = 5,010.91 : x
2. Step 2: Convert to fraction form
   6,667.56/10,004.99 = 5,010.91/x
3. Step 3: Cross multiply
   6,667.56x = 10,004.99 × 5,010.91
4. Step 4: Simplify right side
   6,667.56x = 50,134,054.37
5. Step 5: Solve for x
   x = 50,134,054.37/6,667.56
6. Step 6: Final answer
   x = 7,519.10