Finding the Fourth Proportional to 2,470.17, 3,705.30 and 1,381.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.17 : 3,705.30 = 1,381.47 : x
2. Step 2: Convert to fraction form
   2,470.17/3,705.30 = 1,381.47/x
3. Step 3: Cross multiply
   2,470.17x = 3,705.30 × 1,381.47
4. Step 4: Simplify right side
   2,470.17x = 5,118,760.79
5. Step 5: Solve for x
   x = 5,118,760.79/2,470.17
6. Step 6: Final answer
   x = 2,072.23