Finding the Fourth Proportional to 13,079.60, 19,627.52 and 5,288.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,079.60 : 19,627.52 = 5,288.48 : x
2. Step 2: Convert to fraction form
   13,079.60/19,627.52 = 5,288.48/x
3. Step 3: Cross multiply
   13,079.60x = 19,627.52 × 5,288.48
4. Step 4: Simplify right side
   13,079.60x = 103,799,746.97
5. Step 5: Solve for x
   x = 103,799,746.97/13,079.60
6. Step 6: Final answer
   x = 7,936.00