Finding the Fourth Proportional to 5,210.88, 7,185.46 and 4,259.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,210.88 : 7,185.46 = 4,259.56 : x
2. Step 2: Convert to fraction form
   5,210.88/7,185.46 = 4,259.56/x
3. Step 3: Cross multiply
   5,210.88x = 7,185.46 × 4,259.56
4. Step 4: Simplify right side
   5,210.88x = 30,606,898.00
5. Step 5: Solve for x
   x = 30,606,898.00/5,210.88
6. Step 6: Final answer
   x = 5,873.65