Finding the Fourth Proportional to 5,875.86, 8,819.58 and 3,996

Step by Step Solution

1. Step 1: Write the proportion equation
   5,875.86 : 8,819.58 = 3,996 : x
2. Step 2: Convert to fraction form
   5,875.86/8,819.58 = 3,996/x
3. Step 3: Cross multiply
   5,875.86x = 8,819.58 × 3,996
4. Step 4: Simplify right side
   5,875.86x = 35,243,041.68
5. Step 5: Solve for x
   x = 35,243,041.68/5,875.86
6. Step 6: Final answer
   x = 5,997.94