Finding the Fourth Proportional to 12,725.60, 17,570.00 and 7,952.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,725.60 : 17,570.00 = 7,952.81 : x
2. Step 2: Convert to fraction form
   12,725.60/17,570.00 = 7,952.81/x
3. Step 3: Cross multiply
   12,725.60x = 17,570.00 × 7,952.81
4. Step 4: Simplify right side
   12,725.60x = 139,730,744.09
5. Step 5: Solve for x
   x = 139,730,744.09/12,725.60
6. Step 6: Final answer
   x = 10,980.29