Finding the Fourth Proportional to 35,047.98, 52,540.68 and 12,856.16

Step by Step Solution

1. Step 1: Write the proportion equation
   35,047.98 : 52,540.68 = 12,856.16 : x
2. Step 2: Convert to fraction form
   35,047.98/52,540.68 = 12,856.16/x
3. Step 3: Cross multiply
   35,047.98x = 52,540.68 × 12,856.16
4. Step 4: Simplify right side
   35,047.98x = 675,471,388.59
5. Step 5: Solve for x
   x = 675,471,388.59/35,047.98
6. Step 6: Final answer
   x = 19,272.76