Finding the Fourth Proportional to 70,755.03, 106,091.82 and 42,320.37

Step by Step Solution

1. Step 1: Write the proportion equation
   70,755.03 : 106,091.82 = 42,320.37 : x
2. Step 2: Convert to fraction form
   70,755.03/106,091.82 = 42,320.37/x
3. Step 3: Cross multiply
   70,755.03x = 106,091.82 × 42,320.37
4. Step 4: Simplify right side
   70,755.03x = 4,489,845,076.37
5. Step 5: Solve for x
   x = 4,489,845,076.37/70,755.03
6. Step 6: Final answer
   x = 63,456.20