Finding the Fourth Proportional to 1,019,052.78, 1,528,577.37 and 271,098.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019,052.78 : 1,528,577.37 = 271,098.78 : x
2. Step 2: Convert to fraction form
   1,019,052.78/1,528,577.37 = 271,098.78/x
3. Step 3: Cross multiply
   1,019,052.78x = 1,528,577.37 × 271,098.78
4. Step 4: Simplify right side
   1,019,052.78x = 414,395,460,142.61
5. Step 5: Solve for x
   x = 414,395,460,142.61/1,019,052.78
6. Step 6: Final answer
   x = 406,647.69