Finding the Fourth Proportional to 10,904.22, 16,351.47 and 3,507.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,904.22 : 16,351.47 = 3,507.30 : x
2. Step 2: Convert to fraction form
   10,904.22/16,351.47 = 3,507.30/x
3. Step 3: Cross multiply
   10,904.22x = 16,351.47 × 3,507.30
4. Step 4: Simplify right side
   10,904.22x = 57,349,510.73
5. Step 5: Solve for x
   x = 57,349,510.73/10,904.22
6. Step 6: Final answer
   x = 5,259.39