Finding the Fourth Proportional to 65,788.98, 98,698.05 and 30,709.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,788.98 : 98,698.05 = 30,709.50 : x
2. Step 2: Convert to fraction form
   65,788.98/98,698.05 = 30,709.50/x
3. Step 3: Cross multiply
   65,788.98x = 98,698.05 × 30,709.50
4. Step 4: Simplify right side
   65,788.98x = 3,030,967,766.48
5. Step 5: Solve for x
   x = 3,030,967,766.48/65,788.98
6. Step 6: Final answer
   x = 46,071.06