Finding the Fourth Proportional to 28,867.32, 43,314.72 and 19,996.32

Step by Step Solution

1. Step 1: Write the proportion equation
   28,867.32 : 43,314.72 = 19,996.32 : x
2. Step 2: Convert to fraction form
   28,867.32/43,314.72 = 19,996.32/x
3. Step 3: Cross multiply
   28,867.32x = 43,314.72 × 19,996.32
4. Step 4: Simplify right side
   28,867.32x = 866,135,001.83
5. Step 5: Solve for x
   x = 866,135,001.83/28,867.32
6. Step 6: Final answer
   x = 30,004.00