Finding the Fourth Proportional to 11,677.86, 17,519.43 and 3,886.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,677.86 : 17,519.43 = 3,886.98 : x
2. Step 2: Convert to fraction form
   11,677.86/17,519.43 = 3,886.98/x
3. Step 3: Cross multiply
   11,677.86x = 17,519.43 × 3,886.98
4. Step 4: Simplify right side
   11,677.86x = 68,097,674.02
5. Step 5: Solve for x
   x = 68,097,674.02/11,677.86
6. Step 6: Final answer
   x = 5,831.35