Finding the Fourth Proportional to 6,659.64, 9,187.50 and 4,671.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,659.64 : 9,187.50 = 4,671.50 : x
2. Step 2: Convert to fraction form
   6,659.64/9,187.50 = 4,671.50/x
3. Step 3: Cross multiply
   6,659.64x = 9,187.50 × 4,671.50
4. Step 4: Simplify right side
   6,659.64x = 42,919,377.83
5. Step 5: Solve for x
   x = 42,919,377.83/6,659.64
6. Step 6: Final answer
   x = 6,444.70