Finding the Fourth Proportional to 70,967.53, 106,451.31 and 28,870.52

Step by Step Solution

1. Step 1: Write the proportion equation
   70,967.53 : 106,451.31 = 28,870.52 : x
2. Step 2: Convert to fraction form
   70,967.53/106,451.31 = 28,870.52/x
3. Step 3: Cross multiply
   70,967.53x = 106,451.31 × 28,870.52
4. Step 4: Simplify right side
   70,967.53x = 3,073,304,250.39
5. Step 5: Solve for x
   x = 3,073,304,250.39/70,967.53
6. Step 6: Final answer
   x = 43,305.78