Finding the Fourth Proportional to 47,111.28, 70,680.96 and 19,016.88

Step by Step Solution

1. Step 1: Write the proportion equation
   47,111.28 : 70,680.96 = 19,016.88 : x
2. Step 2: Convert to fraction form
   47,111.28/70,680.96 = 19,016.88/x
3. Step 3: Cross multiply
   47,111.28x = 70,680.96 × 19,016.88
4. Step 4: Simplify right side
   47,111.28x = 1,344,131,334.60
5. Step 5: Solve for x
   x = 1,344,131,334.60/47,111.28
6. Step 6: Final answer
   x = 28,530.99