Finding the Fourth Proportional to 5,147.51, 7,103.51 and 2,909.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,147.51 : 7,103.51 = 2,909.34 : x
2. Step 2: Convert to fraction form
   5,147.51/7,103.51 = 2,909.34/x
3. Step 3: Cross multiply
   5,147.51x = 7,103.51 × 2,909.34
4. Step 4: Simplify right side
   5,147.51x = 20,666,511.24
5. Step 5: Solve for x
   x = 20,666,511.24/5,147.51
6. Step 6: Final answer
   x = 4,014.86