Finding the Fourth Proportional to 5,419.81, 8,123.52 and 2,460.51

Step by Step Solution

1. Step 1: Write the proportion equation
   5,419.81 : 8,123.52 = 2,460.51 : x
2. Step 2: Convert to fraction form
   5,419.81/8,123.52 = 2,460.51/x
3. Step 3: Cross multiply
   5,419.81x = 8,123.52 × 2,460.51
4. Step 4: Simplify right side
   5,419.81x = 19,988,011.42
5. Step 5: Solve for x
   x = 19,988,011.42/5,419.81
6. Step 6: Final answer
   x = 3,687.95