Finding the Fourth Proportional to 443,886, 612,564.84 and 242,682

Step by Step Solution

1. Step 1: Write the proportion equation
   443,886 : 612,564.84 = 242,682 : x
2. Step 2: Convert to fraction form
   443,886/612,564.84 = 242,682/x
3. Step 3: Cross multiply
   443,886x = 612,564.84 × 242,682
4. Step 4: Simplify right side
   443,886x = 148,658,460,500.88
5. Step 5: Solve for x
   x = 148,658,460,500.88/443,886
6. Step 6: Final answer
   x = 334,902.34