Finding the Fourth Proportional to 2,303.41, 3,178.69 and 1,407.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,303.41 : 3,178.69 = 1,407.14 : x
2. Step 2: Convert to fraction form
   2,303.41/3,178.69 = 1,407.14/x
3. Step 3: Cross multiply
   2,303.41x = 3,178.69 × 1,407.14
4. Step 4: Simplify right side
   2,303.41x = 4,472,861.85
5. Step 5: Solve for x
   x = 4,472,861.85/2,303.41
6. Step 6: Final answer
   x = 1,941.84