Finding the Fourth Proportional to 10,878.58, 16,312.83 and 3,481.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,878.58 : 16,312.83 = 3,481.39 : x
2. Step 2: Convert to fraction form
   10,878.58/16,312.83 = 3,481.39/x
3. Step 3: Cross multiply
   10,878.58x = 16,312.83 × 3,481.39
4. Step 4: Simplify right side
   10,878.58x = 56,791,323.23
5. Step 5: Solve for x
   x = 56,791,323.23/10,878.58
6. Step 6: Final answer
   x = 5,220.47