Finding the Fourth Proportional to 206,308.22, 309,452.00 and 56,546.10

Step by Step Solution

1. Step 1: Write the proportion equation
   206,308.22 : 309,452.00 = 56,546.10 : x
2. Step 2: Convert to fraction form
   206,308.22/309,452.00 = 56,546.10/x
3. Step 3: Cross multiply
   206,308.22x = 309,452.00 × 56,546.10
4. Step 4: Simplify right side
   206,308.22x = 17,498,303,454.47
5. Step 5: Solve for x
   x = 17,498,303,454.47/206,308.22
6. Step 6: Final answer
   x = 84,816.32