Finding the Fourth Proportional to 5,145.88, 7,100.22 and 3,050.68

Step by Step Solution

1. Step 1: Write the proportion equation
   5,145.88 : 7,100.22 = 3,050.68 : x
2. Step 2: Convert to fraction form
   5,145.88/7,100.22 = 3,050.68/x
3. Step 3: Cross multiply
   5,145.88x = 7,100.22 × 3,050.68
4. Step 4: Simplify right side
   5,145.88x = 21,660,499.15
5. Step 5: Solve for x
   x = 21,660,499.15/5,145.88
6. Step 6: Final answer
   x = 4,209.29