Finding the Fourth Proportional to 47,398.32, 71,112.15 and 28,444.12

Step by Step Solution

1. Step 1: Write the proportion equation
   47,398.32 : 71,112.15 = 28,444.12 : x
2. Step 2: Convert to fraction form
   47,398.32/71,112.15 = 28,444.12/x
3. Step 3: Cross multiply
   47,398.32x = 71,112.15 × 28,444.12
4. Step 4: Simplify right side
   47,398.32x = 2,022,722,528.06
5. Step 5: Solve for x
   x = 2,022,722,528.06/47,398.32
6. Step 6: Final answer
   x = 42,674.99