Finding the Fourth Proportional to 2,303.18, 3,178.42 and 1,371.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,303.18 : 3,178.42 = 1,371.50 : x
2. Step 2: Convert to fraction form
   2,303.18/3,178.42 = 1,371.50/x
3. Step 3: Cross multiply
   2,303.18x = 3,178.42 × 1,371.50
4. Step 4: Simplify right side
   2,303.18x = 4,359,203.03
5. Step 5: Solve for x
   x = 4,359,203.03/2,303.18
6. Step 6: Final answer
   x = 1,892.69