Finding the Fourth Proportional to 11,400.99, 17,100.18 and 3,080.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,400.99 : 17,100.18 = 3,080.52 : x
2. Step 2: Convert to fraction form
   11,400.99/17,100.18 = 3,080.52/x
3. Step 3: Cross multiply
   11,400.99x = 17,100.18 × 3,080.52
4. Step 4: Simplify right side
   11,400.99x = 52,677,446.49
5. Step 5: Solve for x
   x = 52,677,446.49/11,400.99
6. Step 6: Final answer
   x = 4,620.43