Finding the Fourth Proportional to 2,473.02, 3,710.34 and 1,318.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,473.02 : 3,710.34 = 1,318.50 : x
2. Step 2: Convert to fraction form
   2,473.02/3,710.34 = 1,318.50/x
3. Step 3: Cross multiply
   2,473.02x = 3,710.34 × 1,318.50
4. Step 4: Simplify right side
   2,473.02x = 4,892,083.29
5. Step 5: Solve for x
   x = 4,892,083.29/2,473.02
6. Step 6: Final answer
   x = 1,978.18