Finding the Fourth Proportional to 10,021.05, 15,031.33 and 5,810.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,021.05 : 15,031.33 = 5,810.59 : x
2. Step 2: Convert to fraction form
   10,021.05/15,031.33 = 5,810.59/x
3. Step 3: Cross multiply
   10,021.05x = 15,031.33 × 5,810.59
4. Step 4: Simplify right side
   10,021.05x = 87,340,856.35
5. Step 5: Solve for x
   x = 87,340,856.35/10,021.05
6. Step 6: Final answer
   x = 8,715.74