Finding the Fourth Proportional to 12,862.35, 17,746.43 and 7,555.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,862.35 : 17,746.43 = 7,555.23 : x
2. Step 2: Convert to fraction form
   12,862.35/17,746.43 = 7,555.23/x
3. Step 3: Cross multiply
   12,862.35x = 17,746.43 × 7,555.23
4. Step 4: Simplify right side
   12,862.35x = 134,078,322.55
5. Step 5: Solve for x
   x = 134,078,322.55/12,862.35
6. Step 6: Final answer
   x = 10,424.09