Finding the Fourth Proportional to 11,002.10, 16,493.02 and 3,980.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,002.10 : 16,493.02 = 3,980.48 : x
2. Step 2: Convert to fraction form
   11,002.10/16,493.02 = 3,980.48/x
3. Step 3: Cross multiply
   11,002.10x = 16,493.02 × 3,980.48
4. Step 4: Simplify right side
   11,002.10x = 65,650,043.83
5. Step 5: Solve for x
   x = 65,650,043.83/11,002.10
6. Step 6: Final answer
   x = 5,967.05