Finding the Fourth Proportional to 70,273.02, 105,240.62 and 40,196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   70,273.02 : 105,240.62 = 40,196.10 : x
2. Step 2: Convert to fraction form
   70,273.02/105,240.62 = 40,196.10/x
3. Step 3: Cross multiply
   70,273.02x = 105,240.62 × 40,196.10
4. Step 4: Simplify right side
   70,273.02x = 4,230,262,485.58
5. Step 5: Solve for x
   x = 4,230,262,485.58/70,273.02
6. Step 6: Final answer
   x = 60,197.53