Finding the Fourth Proportional to 5,510.79, 8,268.83 and 3,430.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,510.79 : 8,268.83 = 3,430.25 : x
2. Step 2: Convert to fraction form
   5,510.79/8,268.83 = 3,430.25/x
3. Step 3: Cross multiply
   5,510.79x = 8,268.83 × 3,430.25
4. Step 4: Simplify right side
   5,510.79x = 28,364,154.11
5. Step 5: Solve for x
   x = 28,364,154.11/5,510.79
6. Step 6: Final answer
   x = 5,147.02