Finding the Fourth Proportional to 492,042.02, 679,031.98 and 474,196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   492,042.02 : 679,031.98 = 474,196.10 : x
2. Step 2: Convert to fraction form
   492,042.02/679,031.98 = 474,196.10/x
3. Step 3: Cross multiply
   492,042.02x = 679,031.98 × 474,196.10
4. Step 4: Simplify right side
   492,042.02x = 321,994,312,110.63
5. Step 5: Solve for x
   x = 321,994,312,110.63/492,042.02
6. Step 6: Final answer
   x = 654,404.10