Finding the Fourth Proportional to 10,904.18, 16,354.02 and 3,506.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,904.18 : 16,354.02 = 3,506.72 : x
2. Step 2: Convert to fraction form
   10,904.18/16,354.02 = 3,506.72/x
3. Step 3: Cross multiply
   10,904.18x = 16,354.02 × 3,506.72
4. Step 4: Simplify right side
   10,904.18x = 57,348,969.01
5. Step 5: Solve for x
   x = 57,348,969.01/10,904.18
6. Step 6: Final answer
   x = 5,259.36