Finding the Fourth Proportional to 11,679.86, 17,522.43 and 3,888.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,679.86 : 17,522.43 = 3,888.98 : x
2. Step 2: Convert to fraction form
   11,679.86/17,522.43 = 3,888.98/x
3. Step 3: Cross multiply
   11,679.86x = 17,522.43 × 3,888.98
4. Step 4: Simplify right side
   11,679.86x = 68,144,379.82
5. Step 5: Solve for x
   x = 68,144,379.82/11,679.86
6. Step 6: Final answer
   x = 5,834.35