Finding the Fourth Proportional to 7,671.61, 10,585.83 and 4,313.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,671.61 : 10,585.83 = 4,313.89 : x
2. Step 2: Convert to fraction form
   7,671.61/10,585.83 = 4,313.89/x
3. Step 3: Cross multiply
   7,671.61x = 10,585.83 × 4,313.89
4. Step 4: Simplify right side
   7,671.61x = 45,666,106.18
5. Step 5: Solve for x
   x = 45,666,106.18/7,671.61
6. Step 6: Final answer
   x = 5,952.61