Finding the Fourth Proportional to 47,116.42, 70,687.83 and 19,056.20

Step by Step Solution

1. Step 1: Write the proportion equation
   47,116.42 : 70,687.83 = 19,056.20 : x
2. Step 2: Convert to fraction form
   47,116.42/70,687.83 = 19,056.20/x
3. Step 3: Cross multiply
   47,116.42x = 70,687.83 × 19,056.20
4. Step 4: Simplify right side
   47,116.42x = 1,347,041,144.07
5. Step 5: Solve for x
   x = 1,347,041,144.07/47,116.42
6. Step 6: Final answer
   x = 28,589.63