Finding the Fourth Proportional to 70,104.72, 96,743.22 and 39,889.38

Step by Step Solution

1. Step 1: Write the proportion equation
   70,104.72 : 96,743.22 = 39,889.38 : x
2. Step 2: Convert to fraction form
   70,104.72/96,743.22 = 39,889.38/x
3. Step 3: Cross multiply
   70,104.72x = 96,743.22 × 39,889.38
4. Step 4: Simplify right side
   70,104.72x = 3,859,027,065.00
5. Step 5: Solve for x
   x = 3,859,027,065.00/70,104.72
6. Step 6: Final answer
   x = 55,046.61