Finding the Fourth Proportional to 1,016,118.02, 1,524,177.71 and 258,016.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,118.02 : 1,524,177.71 = 258,016.34 : x
2. Step 2: Convert to fraction form
   1,016,118.02/1,524,177.71 = 258,016.34/x
3. Step 3: Cross multiply
   1,016,118.02x = 1,524,177.71 × 258,016.34
4. Step 4: Simplify right side
   1,016,118.02x = 393,262,749,158.21
5. Step 5: Solve for x
   x = 393,262,749,158.21/1,016,118.02
6. Step 6: Final answer
   x = 387,024.68