Finding the Fourth Proportional to 12,755.87, 17,597.42 and 7,448.35

Step by Step Solution

1. Step 1: Write the proportion equation
   12,755.87 : 17,597.42 = 7,448.35 : x
2. Step 2: Convert to fraction form
   12,755.87/17,597.42 = 7,448.35/x
3. Step 3: Cross multiply
   12,755.87x = 17,597.42 × 7,448.35
4. Step 4: Simplify right side
   12,755.87x = 131,071,618.03
5. Step 5: Solve for x
   x = 131,071,618.03/12,755.87
6. Step 6: Final answer
   x = 10,275.40