Finding the Fourth Proportional to 12,458.73, 17,193.42 and 7,154.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,458.73 : 17,193.42 = 7,154.58 : x
2. Step 2: Convert to fraction form
   12,458.73/17,193.42 = 7,154.58/x
3. Step 3: Cross multiply
   12,458.73x = 17,193.42 × 7,154.58
4. Step 4: Simplify right side
   12,458.73x = 123,011,698.86
5. Step 5: Solve for x
   x = 123,011,698.86/12,458.73
6. Step 6: Final answer
   x = 9,873.53