Finding the Fourth Proportional to 11,259.77, 16,886.34 and 4,234.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,259.77 : 16,886.34 = 4,234.71 : x
2. Step 2: Convert to fraction form
   11,259.77/16,886.34 = 4,234.71/x
3. Step 3: Cross multiply
   11,259.77x = 16,886.34 × 4,234.71
4. Step 4: Simplify right side
   11,259.77x = 71,508,752.86
5. Step 5: Solve for x
   x = 71,508,752.86/11,259.77
6. Step 6: Final answer
   x = 6,350.82