Finding the Fourth Proportional to 5,224.86, 7,835.13 and 3,581.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,224.86 : 7,835.13 = 3,581.91 : x
2. Step 2: Convert to fraction form
   5,224.86/7,835.13 = 3,581.91/x
3. Step 3: Cross multiply
   5,224.86x = 7,835.13 × 3,581.91
4. Step 4: Simplify right side
   5,224.86x = 28,064,730.50
5. Step 5: Solve for x
   x = 28,064,730.50/5,224.86
6. Step 6: Final answer
   x = 5,371.38