Finding the Fourth Proportional to 65,628.96, 98,268.72 and 34,398.88

Step by Step Solution

1. Step 1: Write the proportion equation
   65,628.96 : 98,268.72 = 34,398.88 : x
2. Step 2: Convert to fraction form
   65,628.96/98,268.72 = 34,398.88/x
3. Step 3: Cross multiply
   65,628.96x = 98,268.72 × 34,398.88
4. Step 4: Simplify right side
   65,628.96x = 3,380,333,907.03
5. Step 5: Solve for x
   x = 3,380,333,907.03/65,628.96
6. Step 6: Final answer
   x = 51,506.74