Finding the Fourth Proportional to 70,570.58, 97,386.45 and 40,360.82

Step by Step Solution

1. Step 1: Write the proportion equation
   70,570.58 : 97,386.45 = 40,360.82 : x
2. Step 2: Convert to fraction form
   70,570.58/97,386.45 = 40,360.82/x
3. Step 3: Cross multiply
   70,570.58x = 97,386.45 × 40,360.82
4. Step 4: Simplify right side
   70,570.58x = 3,930,596,978.89
5. Step 5: Solve for x
   x = 3,930,596,978.89/70,570.58
6. Step 6: Final answer
   x = 55,697.39