Finding the Fourth Proportional to 65,004.55, 91,203.20 and 65,004.55

Step by Step Solution

1. Step 1: Write the proportion equation
   65,004.55 : 91,203.20 = 65,004.55 : x
2. Step 2: Convert to fraction form
   65,004.55/91,203.20 = 65,004.55/x
3. Step 3: Cross multiply
   65,004.55x = 91,203.20 × 65,004.55
4. Step 4: Simplify right side
   65,004.55x = 5,928,622,974.56
5. Step 5: Solve for x
   x = 5,928,622,974.56/65,004.55
6. Step 6: Final answer
   x = 91,203.20