Finding the Fourth Proportional to 5,918.58, 8,162.37 and 3,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,918.58 : 8,162.37 = 3,820.50 : x
2. Step 2: Convert to fraction form
   5,918.58/8,162.37 = 3,820.50/x
3. Step 3: Cross multiply
   5,918.58x = 8,162.37 × 3,820.50
4. Step 4: Simplify right side
   5,918.58x = 31,184,334.59
5. Step 5: Solve for x
   x = 31,184,334.59/5,918.58
6. Step 6: Final answer
   x = 5,268.89