Finding the Fourth Proportional to 2,904.23, 4,356.59 and 1,742.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,904.23 : 4,356.59 = 1,742.18 : x
2. Step 2: Convert to fraction form
   2,904.23/4,356.59 = 1,742.18/x
3. Step 3: Cross multiply
   2,904.23x = 4,356.59 × 1,742.18
4. Step 4: Simplify right side
   2,904.23x = 7,589,933.47
5. Step 5: Solve for x
   x = 7,589,933.47/2,904.23
6. Step 6: Final answer
   x = 2,613.40