Finding the Fourth Proportional to 12,748.50, 17,594.58 and 7,159.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,748.50 : 17,594.58 = 7,159.50 : x
2. Step 2: Convert to fraction form
   12,748.50/17,594.58 = 7,159.50/x
3. Step 3: Cross multiply
   12,748.50x = 17,594.58 × 7,159.50
4. Step 4: Simplify right side
   12,748.50x = 125,968,395.51
5. Step 5: Solve for x
   x = 125,968,395.51/12,748.50
6. Step 6: Final answer
   x = 9,881.04