Finding the Fourth Proportional to 10,905.93, 16,357.82 and 3,509.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,905.93 : 16,357.82 = 3,509.01 : x
2. Step 2: Convert to fraction form
   10,905.93/16,357.82 = 3,509.01/x
3. Step 3: Cross multiply
   10,905.93x = 16,357.82 × 3,509.01
4. Step 4: Simplify right side
   10,905.93x = 57,399,736.41
5. Step 5: Solve for x
   x = 57,399,736.41/10,905.93
6. Step 6: Final answer
   x = 5,263.17