Finding the Fourth Proportional to 308,895.31, 463,501.86 and 233,990.56

Step by Step Solution

1. Step 1: Write the proportion equation
   308,895.31 : 463,501.86 = 233,990.56 : x
2. Step 2: Convert to fraction form
   308,895.31/463,501.86 = 233,990.56/x
3. Step 3: Cross multiply
   308,895.31x = 463,501.86 × 233,990.56
4. Step 4: Simplify right side
   308,895.31x = 108,455,059,782.44
5. Step 5: Solve for x
   x = 108,455,059,782.44/308,895.31
6. Step 6: Final answer
   x = 351,106.20