Finding the Fourth Proportional to 7,845.59, 10,827.61 and 4,309.54

Step by Step Solution

1. Step 1: Write the proportion equation
   7,845.59 : 10,827.61 = 4,309.54 : x
2. Step 2: Convert to fraction form
   7,845.59/10,827.61 = 4,309.54/x
3. Step 3: Cross multiply
   7,845.59x = 10,827.61 × 4,309.54
4. Step 4: Simplify right side
   7,845.59x = 46,661,980.56
5. Step 5: Solve for x
   x = 46,661,980.56/7,845.59
6. Step 6: Final answer
   x = 5,947.54