Finding the Fourth Proportional to 12,566.69, 18,857.56 and 4,667.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,566.69 : 18,857.56 = 4,667.88 : x
2. Step 2: Convert to fraction form
   12,566.69/18,857.56 = 4,667.88/x
3. Step 3: Cross multiply
   12,566.69x = 18,857.56 × 4,667.88
4. Step 4: Simplify right side
   12,566.69x = 88,024,788.90
5. Step 5: Solve for x
   x = 88,024,788.90/12,566.69
6. Step 6: Final answer
   x = 7,004.61