Finding the Fourth Proportional to 409,083.30, 564,613.83 and 248,026.56

Step by Step Solution

1. Step 1: Write the proportion equation
   409,083.30 : 564,613.83 = 248,026.56 : x
2. Step 2: Convert to fraction form
   409,083.30/564,613.83 = 248,026.56/x
3. Step 3: Cross multiply
   409,083.30x = 564,613.83 × 248,026.56
4. Step 4: Simplify right side
   409,083.30x = 140,039,225,983.33
5. Step 5: Solve for x
   x = 140,039,225,983.33/409,083.30
6. Step 6: Final answer
   x = 342,324.48