Finding the Fourth Proportional to 70,702.72, 105,910.86 and 32,698

Step by Step Solution

1. Step 1: Write the proportion equation
   70,702.72 : 105,910.86 = 32,698 : x
2. Step 2: Convert to fraction form
   70,702.72/105,910.86 = 32,698/x
3. Step 3: Cross multiply
   70,702.72x = 105,910.86 × 32,698
4. Step 4: Simplify right side
   70,702.72x = 3,463,073,300.28
5. Step 5: Solve for x
   x = 3,463,073,300.28/70,702.72
6. Step 6: Final answer
   x = 48,980.76