Finding the Fourth Proportional to 409,111.98, 564,283.71 and 273,077.34

Step by Step Solution

1. Step 1: Write the proportion equation
   409,111.98 : 564,283.71 = 273,077.34 : x
2. Step 2: Convert to fraction form
   409,111.98/564,283.71 = 273,077.34/x
3. Step 3: Cross multiply
   409,111.98x = 564,283.71 × 273,077.34
4. Step 4: Simplify right side
   409,111.98x = 154,093,094,532.13
5. Step 5: Solve for x
   x = 154,093,094,532.13/409,111.98
6. Step 6: Final answer
   x = 376,652.61