Finding the Fourth Proportional to 10,907.83, 16,362.35 and 3,511.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,907.83 : 16,362.35 = 3,511.72 : x
2. Step 2: Convert to fraction form
   10,907.83/16,362.35 = 3,511.72/x
3. Step 3: Cross multiply
   10,907.83x = 16,362.35 × 3,511.72
4. Step 4: Simplify right side
   10,907.83x = 57,459,991.74
5. Step 5: Solve for x
   x = 57,459,991.74/10,907.83
6. Step 6: Final answer
   x = 5,267.77