Finding the Fourth Proportional to 70,870.50, 97,800.24 and 39,039.42

Step by Step Solution

1. Step 1: Write the proportion equation
   70,870.50 : 97,800.24 = 39,039.42 : x
2. Step 2: Convert to fraction form
   70,870.50/97,800.24 = 39,039.42/x
3. Step 3: Cross multiply
   70,870.50x = 97,800.24 × 39,039.42
4. Step 4: Simplify right side
   70,870.50x = 3,818,064,645.46
5. Step 5: Solve for x
   x = 3,818,064,645.46/70,870.50
6. Step 6: Final answer
   x = 53,873.82