Finding the Fourth Proportional to 17,590.23, 26,379.83 and 5,111.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,590.23 : 26,379.83 = 5,111.12 : x
2. Step 2: Convert to fraction form
   17,590.23/26,379.83 = 5,111.12/x
3. Step 3: Cross multiply
   17,590.23x = 26,379.83 × 5,111.12
4. Step 4: Simplify right side
   17,590.23x = 134,830,378.30
5. Step 5: Solve for x
   x = 134,830,378.30/17,590.23
6. Step 6: Final answer
   x = 7,665.07