Finding the Fourth Proportional to 12,860.10, 17,743.32 and 7,552.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,860.10 : 17,743.32 = 7,552.98 : x
2. Step 2: Convert to fraction form
   12,860.10/17,743.32 = 7,552.98/x
3. Step 3: Cross multiply
   12,860.10x = 17,743.32 × 7,552.98
4. Step 4: Simplify right side
   12,860.10x = 134,014,941.09
5. Step 5: Solve for x
   x = 134,014,941.09/12,860.10
6. Step 6: Final answer
   x = 10,420.99