Finding the Fourth Proportional to 2,930.51, 4,393.10 and 1,080.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,930.51 : 4,393.10 = 1,080.34 : x
2. Step 2: Convert to fraction form
   2,930.51/4,393.10 = 1,080.34/x
3. Step 3: Cross multiply
   2,930.51x = 4,393.10 × 1,080.34
4. Step 4: Simplify right side
   2,930.51x = 4,746,033.37
5. Step 5: Solve for x
   x = 4,746,033.37/2,930.51
6. Step 6: Final answer
   x = 1,619.52