Finding the Fourth Proportional to 47,128.78, 65,016.05 and 41,756.70

Step by Step Solution

1. Step 1: Write the proportion equation
   47,128.78 : 65,016.05 = 41,756.70 : x
2. Step 2: Convert to fraction form
   47,128.78/65,016.05 = 41,756.70/x
3. Step 3: Cross multiply
   47,128.78x = 65,016.05 × 41,756.70
4. Step 4: Simplify right side
   47,128.78x = 2,714,855,695.04
5. Step 5: Solve for x
   x = 2,714,855,695.04/47,128.78
6. Step 6: Final answer
   x = 57,605.05