Finding the Fourth Proportional to 19,709.16, 29,559.31 and 5,666.07

Step by Step Solution

1. Step 1: Write the proportion equation
   19,709.16 : 29,559.31 = 5,666.07 : x
2. Step 2: Convert to fraction form
   19,709.16/29,559.31 = 5,666.07/x
3. Step 3: Cross multiply
   19,709.16x = 29,559.31 × 5,666.07
4. Step 4: Simplify right side
   19,709.16x = 167,485,081.89
5. Step 5: Solve for x
   x = 167,485,081.89/19,709.16
6. Step 6: Final answer
   x = 8,497.83