Finding the Fourth Proportional to 11,559.59, 17,328.96 and 4,158.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,559.59 : 17,328.96 = 4,158.86 : x
2. Step 2: Convert to fraction form
   11,559.59/17,328.96 = 4,158.86/x
3. Step 3: Cross multiply
   11,559.59x = 17,328.96 × 4,158.86
4. Step 4: Simplify right side
   11,559.59x = 72,068,631.94
5. Step 5: Solve for x
   x = 72,068,631.94/11,559.59
6. Step 6: Final answer
   x = 6,234.53