Finding the Fourth Proportional to 8,699.50, 12,005.33 and 4,973.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,699.50 : 12,005.33 = 4,973.50 : x
2. Step 2: Convert to fraction form
   8,699.50/12,005.33 = 4,973.50/x
3. Step 3: Cross multiply
   8,699.50x = 12,005.33 × 4,973.50
4. Step 4: Simplify right side
   8,699.50x = 59,708,508.76
5. Step 5: Solve for x
   x = 59,708,508.76/8,699.50
6. Step 6: Final answer
   x = 6,863.44