Finding the Fourth Proportional to 205,980.61, 309,015.00 and 63,822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   205,980.61 : 309,015.00 = 63,822.72 : x
2. Step 2: Convert to fraction form
   205,980.61/309,015.00 = 63,822.72/x
3. Step 3: Cross multiply
   205,980.61x = 309,015.00 × 63,822.72
4. Step 4: Simplify right side
   205,980.61x = 19,722,177,501.69
5. Step 5: Solve for x
   x = 19,722,177,501.69/205,980.61
6. Step 6: Final answer
   x = 95,747.74