Finding the Fourth Proportional to 9,780.59, 14,635.82 and 8,468.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,780.59 : 14,635.82 = 8,468.87 : x
2. Step 2: Convert to fraction form
   9,780.59/14,635.82 = 8,468.87/x
3. Step 3: Cross multiply
   9,780.59x = 14,635.82 × 8,468.87
4. Step 4: Simplify right side
   9,780.59x = 123,948,914.69
5. Step 5: Solve for x
   x = 123,948,914.69/9,780.59
6. Step 6: Final answer
   x = 12,672.95