Finding the Fourth Proportional to 35,216.06, 52,821.48 and 13,019.06

Step by Step Solution

1. Step 1: Write the proportion equation
   35,216.06 : 52,821.48 = 13,019.06 : x
2. Step 2: Convert to fraction form
   35,216.06/52,821.48 = 13,019.06/x
3. Step 3: Cross multiply
   35,216.06x = 52,821.48 × 13,019.06
4. Step 4: Simplify right side
   35,216.06x = 687,686,017.41
5. Step 5: Solve for x
   x = 687,686,017.41/35,216.06
6. Step 6: Final answer
   x = 19,527.63