Finding the Fourth Proportional to 70,914.15, 97,863.57 and 39,085.10

Step by Step Solution

1. Step 1: Write the proportion equation
   70,914.15 : 97,863.57 = 39,085.10 : x
2. Step 2: Convert to fraction form
   70,914.15/97,863.57 = 39,085.10/x
3. Step 3: Cross multiply
   70,914.15x = 97,863.57 × 39,085.10
4. Step 4: Simplify right side
   70,914.15x = 3,825,006,930.49
5. Step 5: Solve for x
   x = 3,825,006,930.49/70,914.15
6. Step 6: Final answer
   x = 53,938.56