Finding the Fourth Proportional to 5,387.00, 8,027.60 and 5,210.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,387.00 : 8,027.60 = 5,210.82 : x
2. Step 2: Convert to fraction form
   5,387.00/8,027.60 = 5,210.82/x
3. Step 3: Cross multiply
   5,387.00x = 8,027.60 × 5,210.82
4. Step 4: Simplify right side
   5,387.00x = 41,830,352.58
5. Step 5: Solve for x
   x = 41,830,352.58/5,387.00
6. Step 6: Final answer
   x = 7,765.06