Finding the Fourth Proportional to 2,475.48, 3,714.59 and 1,380.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.48 : 3,714.59 = 1,380.46 : x
2. Step 2: Convert to fraction form
   2,475.48/3,714.59 = 1,380.46/x
3. Step 3: Cross multiply
   2,475.48x = 3,714.59 × 1,380.46
4. Step 4: Simplify right side
   2,475.48x = 5,127,842.91
5. Step 5: Solve for x
   x = 5,127,842.91/2,475.48
6. Step 6: Final answer
   x = 2,071.45