Finding the Fourth Proportional to 65,760.55, 98,681.33 and 28,338.55

Step by Step Solution

1. Step 1: Write the proportion equation
   65,760.55 : 98,681.33 = 28,338.55 : x
2. Step 2: Convert to fraction form
   65,760.55/98,681.33 = 28,338.55/x
3. Step 3: Cross multiply
   65,760.55x = 98,681.33 × 28,338.55
4. Step 4: Simplify right side
   65,760.55x = 2,796,485,662.58
5. Step 5: Solve for x
   x = 2,796,485,662.58/65,760.55
6. Step 6: Final answer
   x = 42,525.28