Finding the Fourth Proportional to 70,964.82, 97,929.65 and 39,131.69

Step by Step Solution

1. Step 1: Write the proportion equation
   70,964.82 : 97,929.65 = 39,131.69 : x
2. Step 2: Convert to fraction form
   70,964.82/97,929.65 = 39,131.69/x
3. Step 3: Cross multiply
   70,964.82x = 97,929.65 × 39,131.69
4. Step 4: Simplify right side
   70,964.82x = 3,832,152,020.30
5. Step 5: Solve for x
   x = 3,832,152,020.30/70,964.82
6. Step 6: Final answer
   x = 54,000.73