Finding the Fourth Proportional to 12,796.68, 17,662.14 and 8,602.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,796.68 : 17,662.14 = 8,602.50 : x
2. Step 2: Convert to fraction form
   12,796.68/17,662.14 = 8,602.50/x
3. Step 3: Cross multiply
   12,796.68x = 17,662.14 × 8,602.50
4. Step 4: Simplify right side
   12,796.68x = 151,938,559.35
5. Step 5: Solve for x
   x = 151,938,559.35/12,796.68
6. Step 6: Final answer
   x = 11,873.28