Finding the Fourth Proportional to 206,131.02, 309,181.41 and 65,851.98

Step by Step Solution

1. Step 1: Write the proportion equation
   206,131.02 : 309,181.41 = 65,851.98 : x
2. Step 2: Convert to fraction form
   206,131.02/309,181.41 = 65,851.98/x
3. Step 3: Cross multiply
   206,131.02x = 309,181.41 × 65,851.98
4. Step 4: Simplify right side
   206,131.02x = 20,360,208,027.69
5. Step 5: Solve for x
   x = 20,360,208,027.69/206,131.02
6. Step 6: Final answer
   x = 98,773.14