Finding the Fourth Proportional to 146,562.80, 205,810 and 146,562.80

Step by Step Solution

1. Step 1: Write the proportion equation
   146,562.80 : 205,810 = 146,562.80 : x
2. Step 2: Convert to fraction form
   146,562.80/205,810 = 146,562.80/x
3. Step 3: Cross multiply
   146,562.80x = 205,810 × 146,562.80
4. Step 4: Simplify right side
   146,562.80x = 30,164,089,868.00
5. Step 5: Solve for x
   x = 30,164,089,868.00/146,562.80
6. Step 6: Final answer
   x = 205,810