Finding the Fourth Proportional to 1,820.29, 2,713.18 and 1,760.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820.29 : 2,713.18 = 1,760.31 : x
2. Step 2: Convert to fraction form
   1,820.29/2,713.18 = 1,760.31/x
3. Step 3: Cross multiply
   1,820.29x = 2,713.18 × 1,760.31
4. Step 4: Simplify right side
   1,820.29x = 4,776,037.89
5. Step 5: Solve for x
   x = 4,776,037.89/1,820.29
6. Step 6: Final answer
   x = 2,623.78