Finding the Fourth Proportional to 70,271.12, 104,905.72 and 67,810.16

Step by Step Solution

1. Step 1: Write the proportion equation
   70,271.12 : 104,905.72 = 67,810.16 : x
2. Step 2: Convert to fraction form
   70,271.12/104,905.72 = 67,810.16/x
3. Step 3: Cross multiply
   70,271.12x = 104,905.72 × 67,810.16
4. Step 4: Simplify right side
   70,271.12x = 7,113,673,658.12
5. Step 5: Solve for x
   x = 7,113,673,658.12/70,271.12
6. Step 6: Final answer
   x = 101,231.82