Finding the Fourth Proportional to 65,308.10, 97,816.35 and 53,644.10

Step by Step Solution

1. Step 1: Write the proportion equation
   65,308.10 : 97,816.35 = 53,644.10 : x
2. Step 2: Convert to fraction form
   65,308.10/97,816.35 = 53,644.10/x
3. Step 3: Cross multiply
   65,308.10x = 97,816.35 × 53,644.10
4. Step 4: Simplify right side
   65,308.10x = 5,247,270,061.04
5. Step 5: Solve for x
   x = 5,247,270,061.04/65,308.10
6. Step 6: Final answer
   x = 80,346.39