Finding the Fourth Proportional to 70,970.33, 97,939.01 and 39,139.25

Step by Step Solution

1. Step 1: Write the proportion equation
   70,970.33 : 97,939.01 = 39,139.25 : x
2. Step 2: Convert to fraction form
   70,970.33/97,939.01 = 39,139.25/x
3. Step 3: Cross multiply
   70,970.33x = 97,939.01 × 39,139.25
4. Step 4: Simplify right side
   70,970.33x = 3,833,259,005.30
5. Step 5: Solve for x
   x = 3,833,259,005.30/70,970.33
6. Step 6: Final answer
   x = 54,012.13