Finding the Fourth Proportional to 70,968.72, 105,827.02 and 67,480.56

Step by Step Solution

1. Step 1: Write the proportion equation
   70,968.72 : 105,827.02 = 67,480.56 : x
2. Step 2: Convert to fraction form
   70,968.72/105,827.02 = 67,480.56/x
3. Step 3: Cross multiply
   70,968.72x = 105,827.02 × 67,480.56
4. Step 4: Simplify right side
   70,968.72x = 7,141,266,572.73
5. Step 5: Solve for x
   x = 7,141,266,572.73/70,968.72
6. Step 6: Final answer
   x = 100,625.55