Finding the Fourth Proportional to 11,377.78, 17,068.86 and 3,984.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,377.78 : 17,068.86 = 3,984.34 : x
2. Step 2: Convert to fraction form
   11,377.78/17,068.86 = 3,984.34/x
3. Step 3: Cross multiply
   11,377.78x = 17,068.86 × 3,984.34
4. Step 4: Simplify right side
   11,377.78x = 68,008,141.65
5. Step 5: Solve for x
   x = 68,008,141.65/11,377.78
6. Step 6: Final answer
   x = 5,977.28