Finding the Fourth Proportional to 86,553, 119,443.50 and 46,809

Step by Step Solution

1. Step 1: Write the proportion equation
   86,553 : 119,443.50 = 46,809 : x
2. Step 2: Convert to fraction form
   86,553/119,443.50 = 46,809/x
3. Step 3: Cross multiply
   86,553x = 119,443.50 × 46,809
4. Step 4: Simplify right side
   86,553x = 5,591,030,791.50
5. Step 5: Solve for x
   x = 5,591,030,791.50/86,553
6. Step 6: Final answer
   x = 64,596.61