Finding the Fourth Proportional to 2,470.42, 3,705.68 and 1,381.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.42 : 3,705.68 = 1,381.71 : x
2. Step 2: Convert to fraction form
   2,470.42/3,705.68 = 1,381.71/x
3. Step 3: Cross multiply
   2,470.42x = 3,705.68 × 1,381.71
4. Step 4: Simplify right side
   2,470.42x = 5,120,175.11
5. Step 5: Solve for x
   x = 5,120,175.11/2,470.42
6. Step 6: Final answer
   x = 2,072.59