Finding the Fourth Proportional to 5,510.37, 7,619.27 and 5,421.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,510.37 : 7,619.27 = 5,421.34 : x
2. Step 2: Convert to fraction form
   5,510.37/7,619.27 = 5,421.34/x
3. Step 3: Cross multiply
   5,510.37x = 7,619.27 × 5,421.34
4. Step 4: Simplify right side
   5,510.37x = 41,306,653.22
5. Step 5: Solve for x
   x = 41,306,653.22/5,510.37
6. Step 6: Final answer
   x = 7,496.17