Finding the Fourth Proportional to 9,686.34, 14,518.62 and 4,136.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,686.34 : 14,518.62 = 4,136.88 : x
2. Step 2: Convert to fraction form
   9,686.34/14,518.62 = 4,136.88/x
3. Step 3: Cross multiply
   9,686.34x = 14,518.62 × 4,136.88
4. Step 4: Simplify right side
   9,686.34x = 60,061,788.71
5. Step 5: Solve for x
   x = 60,061,788.71/9,686.34
6. Step 6: Final answer
   x = 6,200.67