Finding the Fourth Proportional to 12,669.39, 17,483.78 and 7,080.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,669.39 : 17,483.78 = 7,080.39 : x
2. Step 2: Convert to fraction form
   12,669.39/17,483.78 = 7,080.39/x
3. Step 3: Cross multiply
   12,669.39x = 17,483.78 × 7,080.39
4. Step 4: Simplify right side
   12,669.39x = 123,791,981.07
5. Step 5: Solve for x
   x = 123,791,981.07/12,669.39
6. Step 6: Final answer
   x = 9,770.95