Finding the Fourth Proportional to 11,719.65, 17,577.58 and 4,327.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,719.65 : 17,577.58 = 4,327.59 : x
2. Step 2: Convert to fraction form
   11,719.65/17,577.58 = 4,327.59/x
3. Step 3: Cross multiply
   11,719.65x = 17,577.58 × 4,327.59
4. Step 4: Simplify right side
   11,719.65x = 76,068,559.43
5. Step 5: Solve for x
   x = 76,068,559.43/11,719.65
6. Step 6: Final answer
   x = 6,490.69