Finding the Fourth Proportional to 6,417.50, 8,856.30 and 3,623

Step by Step Solution

1. Step 1: Write the proportion equation
   6,417.50 : 8,856.30 = 3,623 : x
2. Step 2: Convert to fraction form
   6,417.50/8,856.30 = 3,623/x
3. Step 3: Cross multiply
   6,417.50x = 8,856.30 × 3,623
4. Step 4: Simplify right side
   6,417.50x = 32,086,374.90
5. Step 5: Solve for x
   x = 32,086,374.90/6,417.50
6. Step 6: Final answer
   x = 4,999.82