Finding the Fourth Proportional to 70,221.57, 96,896.55 and 41,921.25

Step by Step Solution

1. Step 1: Write the proportion equation
   70,221.57 : 96,896.55 = 41,921.25 : x
2. Step 2: Convert to fraction form
   70,221.57/96,896.55 = 41,921.25/x
3. Step 3: Cross multiply
   70,221.57x = 96,896.55 × 41,921.25
4. Step 4: Simplify right side
   70,221.57x = 4,062,024,496.69
5. Step 5: Solve for x
   x = 4,062,024,496.69/70,221.57
6. Step 6: Final answer
   x = 57,845.82