Finding the Fourth Proportional to 12,520.74, 17,290.32 and 8,052.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,520.74 : 17,290.32 = 8,052.25 : x
2. Step 2: Convert to fraction form
   12,520.74/17,290.32 = 8,052.25/x
3. Step 3: Cross multiply
   12,520.74x = 17,290.32 × 8,052.25
4. Step 4: Simplify right side
   12,520.74x = 139,225,892.77
5. Step 5: Solve for x
   x = 139,225,892.77/12,520.74
6. Step 6: Final answer
   x = 11,119.63