Finding the Fourth Proportional to 12,746.41, 17,588.77 and 7,444.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,746.41 : 17,588.77 = 7,444.31 : x
2. Step 2: Convert to fraction form
   12,746.41/17,588.77 = 7,444.31/x
3. Step 3: Cross multiply
   12,746.41x = 17,588.77 × 7,444.31
4. Step 4: Simplify right side
   12,746.41x = 130,936,281.76
5. Step 5: Solve for x
   x = 130,936,281.76/12,746.41
6. Step 6: Final answer
   x = 10,272.41