Finding the Fourth Proportional to 12,460.60, 17,198.29 and 7,158.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,460.60 : 17,198.29 = 7,158.34 : x
2. Step 2: Convert to fraction form
   12,460.60/17,198.29 = 7,158.34/x
3. Step 3: Cross multiply
   12,460.60x = 17,198.29 × 7,158.34
4. Step 4: Simplify right side
   12,460.60x = 123,111,237.68
5. Step 5: Solve for x
   x = 123,111,237.68/12,460.60
6. Step 6: Final answer
   x = 9,880.04