Finding the Fourth Proportional to 11,328.59, 16,997.94 and 5,779.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,328.59 : 16,997.94 = 5,779.01 : x
2. Step 2: Convert to fraction form
   11,328.59/16,997.94 = 5,779.01/x
3. Step 3: Cross multiply
   11,328.59x = 16,997.94 × 5,779.01
4. Step 4: Simplify right side
   11,328.59x = 98,231,151.35
5. Step 5: Solve for x
   x = 98,231,151.35/11,328.59
6. Step 6: Final answer
   x = 8,671.09