Finding the Fourth Proportional to 5,384.01, 8,076.06 and 1,686.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,384.01 : 8,076.06 = 1,686.81 : x
2. Step 2: Convert to fraction form
   5,384.01/8,076.06 = 1,686.81/x
3. Step 3: Cross multiply
   5,384.01x = 8,076.06 × 1,686.81
4. Step 4: Simplify right side
   5,384.01x = 13,622,778.77
5. Step 5: Solve for x
   x = 13,622,778.77/5,384.01
6. Step 6: Final answer
   x = 2,530.23