Finding the Fourth Proportional to 5,123.30, 7,070.22 and 3,027.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,123.30 : 7,070.22 = 3,027.42 : x
2. Step 2: Convert to fraction form
   5,123.30/7,070.22 = 3,027.42/x
3. Step 3: Cross multiply
   5,123.30x = 7,070.22 × 3,027.42
4. Step 4: Simplify right side
   5,123.30x = 21,404,525.43
5. Step 5: Solve for x
   x = 21,404,525.43/5,123.30
6. Step 6: Final answer
   x = 4,177.88