Finding the Fourth Proportional to 70,540.52, 105,838.31 and 31,069.96

Step by Step Solution

1. Step 1: Write the proportion equation
   70,540.52 : 105,838.31 = 31,069.96 : x
2. Step 2: Convert to fraction form
   70,540.52/105,838.31 = 31,069.96/x
3. Step 3: Cross multiply
   70,540.52x = 105,838.31 × 31,069.96
4. Step 4: Simplify right side
   70,540.52x = 3,288,391,528.98
5. Step 5: Solve for x
   x = 3,288,391,528.98/70,540.52
6. Step 6: Final answer
   x = 46,617.06