Finding the Fourth Proportional to 47,128.58, 70,674.27 and 19,043.34

Step by Step Solution

1. Step 1: Write the proportion equation
   47,128.58 : 70,674.27 = 19,043.34 : x
2. Step 2: Convert to fraction form
   47,128.58/70,674.27 = 19,043.34/x
3. Step 3: Cross multiply
   47,128.58x = 70,674.27 × 19,043.34
4. Step 4: Simplify right side
   47,128.58x = 1,345,874,152.86
5. Step 5: Solve for x
   x = 1,345,874,152.86/47,128.58
6. Step 6: Final answer
   x = 28,557.49