Finding the Fourth Proportional to 2,475.16, 3,713.72 and 1,820.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,475.16 : 3,713.72 = 1,820.34 : x
2. Step 2: Convert to fraction form
   2,475.16/3,713.72 = 1,820.34/x
3. Step 3: Cross multiply
   2,475.16x = 3,713.72 × 1,820.34
4. Step 4: Simplify right side
   2,475.16x = 6,760,223.96
5. Step 5: Solve for x
   x = 6,760,223.96/2,475.16
6. Step 6: Final answer
   x = 2,731.23