Finding the Fourth Proportional to 17,665.86, 26,498.52 and 4,518.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,665.86 : 26,498.52 = 4,518.12 : x
2. Step 2: Convert to fraction form
   17,665.86/26,498.52 = 4,518.12/x
3. Step 3: Cross multiply
   17,665.86x = 26,498.52 × 4,518.12
4. Step 4: Simplify right side
   17,665.86x = 119,723,493.18
5. Step 5: Solve for x
   x = 119,723,493.18/17,665.86
6. Step 6: Final answer
   x = 6,777.11