Finding the Fourth Proportional to 91,714.48, 126,563.34 and 55,891.42

Step by Step Solution

1. Step 1: Write the proportion equation
   91,714.48 : 126,563.34 = 55,891.42 : x
2. Step 2: Convert to fraction form
   91,714.48/126,563.34 = 55,891.42/x
3. Step 3: Cross multiply
   91,714.48x = 126,563.34 × 55,891.42
4. Step 4: Simplify right side
   91,714.48x = 7,073,804,792.54
5. Step 5: Solve for x
   x = 7,073,804,792.54/91,714.48
6. Step 6: Final answer
   x = 77,128.55