Finding the Fourth Proportional to 2,475.29, 3,713.05 and 1,378.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.29 : 3,713.05 = 1,378.83 : x
2. Step 2: Convert to fraction form
   2,475.29/3,713.05 = 1,378.83/x
3. Step 3: Cross multiply
   2,475.29x = 3,713.05 × 1,378.83
4. Step 4: Simplify right side
   2,475.29x = 5,119,664.73
5. Step 5: Solve for x
   x = 5,119,664.73/2,475.29
6. Step 6: Final answer
   x = 2,068.31