Finding the Fourth Proportional to 70,450.88, 105,676.72 and 17,860.48

Step by Step Solution

1. Step 1: Write the proportion equation
   70,450.88 : 105,676.72 = 17,860.48 : x
2. Step 2: Convert to fraction form
   70,450.88/105,676.72 = 17,860.48/x
3. Step 3: Cross multiply
   70,450.88x = 105,676.72 × 17,860.48
4. Step 4: Simplify right side
   70,450.88x = 1,887,436,944.03
5. Step 5: Solve for x
   x = 1,887,436,944.03/70,450.88
6. Step 6: Final answer
   x = 26,790.82