Finding the Fourth Proportional to 5,109.37, 7,665.60 and 1,822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,109.37 : 7,665.60 = 1,822.72 : x
2. Step 2: Convert to fraction form
   5,109.37/7,665.60 = 1,822.72/x
3. Step 3: Cross multiply
   5,109.37x = 7,665.60 × 1,822.72
4. Step 4: Simplify right side
   5,109.37x = 13,972,218.71
5. Step 5: Solve for x
   x = 13,972,218.71/5,109.37
6. Step 6: Final answer
   x = 2,734.63