Finding the Fourth Proportional to 91,874, 126,789.72 and 62,863.22

Step by Step Solution

1. Step 1: Write the proportion equation
   91,874 : 126,789.72 = 62,863.22 : x
2. Step 2: Convert to fraction form
   91,874/126,789.72 = 62,863.22/x
3. Step 3: Cross multiply
   91,874x = 126,789.72 × 62,863.22
4. Step 4: Simplify right side
   91,874x = 7,970,410,062.10
5. Step 5: Solve for x
   x = 7,970,410,062.10/91,874
6. Step 6: Final answer
   x = 86,753.71