Finding the Fourth Proportional to 12,396.60, 17,101.58 and 7,357.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,396.60 : 17,101.58 = 7,357.96 : x
2. Step 2: Convert to fraction form
   12,396.60/17,101.58 = 7,357.96/x
3. Step 3: Cross multiply
   12,396.60x = 17,101.58 × 7,357.96
4. Step 4: Simplify right side
   12,396.60x = 125,832,619.28
5. Step 5: Solve for x
   x = 125,832,619.28/12,396.60
6. Step 6: Final answer
   x = 10,150.58