Finding the Fourth Proportional to 308,090.10, 461,111.15 and 223,610.10

Step by Step Solution

1. Step 1: Write the proportion equation
   308,090.10 : 461,111.15 = 223,610.10 : x
2. Step 2: Convert to fraction form
   308,090.10/461,111.15 = 223,610.10/x
3. Step 3: Cross multiply
   308,090.10x = 461,111.15 × 223,610.10
4. Step 4: Simplify right side
   308,090.10x = 103,109,110,362.62
5. Step 5: Solve for x
   x = 103,109,110,362.62/308,090.10
6. Step 6: Final answer
   x = 334,671.94