Finding the Fourth Proportional to 12,874.32, 17,762.49 and 7,570.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,874.32 : 17,762.49 = 7,570.98 : x
2. Step 2: Convert to fraction form
   12,874.32/17,762.49 = 7,570.98/x
3. Step 3: Cross multiply
   12,874.32x = 17,762.49 × 7,570.98
4. Step 4: Simplify right side
   12,874.32x = 134,479,456.54
5. Step 5: Solve for x
   x = 134,479,456.54/12,874.32
6. Step 6: Final answer
   x = 10,445.56