Finding the Fourth Proportional to 2,293.08, 3,162.84 and 1,407.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.08 : 3,162.84 = 1,407.72 : x
2. Step 2: Convert to fraction form
   2,293.08/3,162.84 = 1,407.72/x
3. Step 3: Cross multiply
   2,293.08x = 3,162.84 × 1,407.72
4. Step 4: Simplify right side
   2,293.08x = 4,452,393.12
5. Step 5: Solve for x
   x = 4,452,393.12/2,293.08
6. Step 6: Final answer
   x = 1,941.66