Finding the Fourth Proportional to 70,181.34, 96,841.77 and 39,966.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,181.34 : 96,841.77 = 39,966.72 : x
2. Step 2: Convert to fraction form
   70,181.34/96,841.77 = 39,966.72/x
3. Step 3: Cross multiply
   70,181.34x = 96,841.77 × 39,966.72
4. Step 4: Simplify right side
   70,181.34x = 3,870,447,905.89
5. Step 5: Solve for x
   x = 3,870,447,905.89/70,181.34
6. Step 6: Final answer
   x = 55,149.24