Finding the Fourth Proportional to 19,719.56, 29,577.72 and 5,868.56

Step by Step Solution

1. Step 1: Write the proportion equation
   19,719.56 : 29,577.72 = 5,868.56 : x
2. Step 2: Convert to fraction form
   19,719.56/29,577.72 = 5,868.56/x
3. Step 3: Cross multiply
   19,719.56x = 29,577.72 × 5,868.56
4. Step 4: Simplify right side
   19,719.56x = 173,578,624.48
5. Step 5: Solve for x
   x = 173,578,624.48/19,719.56
6. Step 6: Final answer
   x = 8,802.36