Finding the Fourth Proportional to 5,011.47, 7,518.22 and 1,724.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,011.47 : 7,518.22 = 1,724.69 : x
2. Step 2: Convert to fraction form
   5,011.47/7,518.22 = 1,724.69/x
3. Step 3: Cross multiply
   5,011.47x = 7,518.22 × 1,724.69
4. Step 4: Simplify right side
   5,011.47x = 12,966,613.34
5. Step 5: Solve for x
   x = 12,966,613.34/5,011.47
6. Step 6: Final answer
   x = 2,587.39