Finding the Fourth Proportional to 70,973.13, 97,942.86 and 39,144.05

Step by Step Solution

1. Step 1: Write the proportion equation
   70,973.13 : 97,942.86 = 39,144.05 : x
2. Step 2: Convert to fraction form
   70,973.13/97,942.86 = 39,144.05/x
3. Step 3: Cross multiply
   70,973.13x = 97,942.86 × 39,144.05
4. Step 4: Simplify right side
   70,973.13x = 3,833,879,719.27
5. Step 5: Solve for x
   x = 3,833,879,719.27/70,973.13
6. Step 6: Final answer
   x = 54,018.75