Finding the Fourth Proportional to 9,764.34, 14,636.18 and 3,188.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,764.34 : 14,636.18 = 3,188.76 : x
2. Step 2: Convert to fraction form
   9,764.34/14,636.18 = 3,188.76/x
3. Step 3: Cross multiply
   9,764.34x = 14,636.18 × 3,188.76
4. Step 4: Simplify right side
   9,764.34x = 46,671,265.34
5. Step 5: Solve for x
   x = 46,671,265.34/9,764.34
6. Step 6: Final answer
   x = 4,779.77