Finding the Fourth Proportional to 70,939.95, 106,308.42 and 33,480.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,939.95 : 106,308.42 = 33,480.72 : x
2. Step 2: Convert to fraction form
   70,939.95/106,308.42 = 33,480.72/x
3. Step 3: Cross multiply
   70,939.95x = 106,308.42 × 33,480.72
4. Step 4: Simplify right side
   70,939.95x = 3,559,282,443.66
5. Step 5: Solve for x
   x = 3,559,282,443.66/70,939.95
6. Step 6: Final answer
   x = 50,173.17