Finding the Fourth Proportional to 64,496.80, 86,794.20 and 64,496.80

Step by Step Solution

1. Step 1: Write the proportion equation
   64,496.80 : 86,794.20 = 64,496.80 : x
2. Step 2: Convert to fraction form
   64,496.80/86,794.20 = 64,496.80/x
3. Step 3: Cross multiply
   64,496.80x = 86,794.20 × 64,496.80
4. Step 4: Simplify right side
   64,496.80x = 5,597,948,158.56
5. Step 5: Solve for x
   x = 5,597,948,158.56/64,496.80
6. Step 6: Final answer
   x = 86,794.20