Finding the Fourth Proportional to 70,870.41, 97,801.40 and 39,039.23

Step by Step Solution

1. Step 1: Write the proportion equation
   70,870.41 : 97,801.40 = 39,039.23 : x
2. Step 2: Convert to fraction form
   70,870.41/97,801.40 = 39,039.23/x
3. Step 3: Cross multiply
   70,870.41x = 97,801.40 × 39,039.23
4. Step 4: Simplify right side
   70,870.41x = 3,818,091,691.02
5. Step 5: Solve for x
   x = 3,818,091,691.02/70,870.41
6. Step 6: Final answer
   x = 53,874.27