Finding the Fourth Proportional to 70,697.82, 97,569.72 and 40,485.54

Step by Step Solution

1. Step 1: Write the proportion equation
   70,697.82 : 97,569.72 = 40,485.54 : x
2. Step 2: Convert to fraction form
   70,697.82/97,569.72 = 40,485.54/x
3. Step 3: Cross multiply
   70,697.82x = 97,569.72 × 40,485.54
4. Step 4: Simplify right side
   70,697.82x = 3,950,162,801.85
5. Step 5: Solve for x
   x = 3,950,162,801.85/70,697.82
6. Step 6: Final answer
   x = 55,873.90