Finding the Fourth Proportional to 1,686.83, 2,536.25 and 1,471.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686.83 : 2,536.25 = 1,471.77 : x
2. Step 2: Convert to fraction form
   1,686.83/2,536.25 = 1,471.77/x
3. Step 3: Cross multiply
   1,686.83x = 2,536.25 × 1,471.77
4. Step 4: Simplify right side
   1,686.83x = 3,732,769.30
5. Step 5: Solve for x
   x = 3,732,769.30/1,686.83
6. Step 6: Final answer
   x = 2,212.90