Finding the Fourth Proportional to 1,401,094.97, 2,101,644.50 and 390,219.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,094.97 : 2,101,644.50 = 390,219.83 : x
2. Step 2: Convert to fraction form
   1,401,094.97/2,101,644.50 = 390,219.83/x
3. Step 3: Cross multiply
   1,401,094.97x = 2,101,644.50 × 390,219.83
4. Step 4: Simplify right side
   1,401,094.97x = 820,103,354,932.28
5. Step 5: Solve for x
   x = 820,103,354,932.28/1,401,094.97
6. Step 6: Final answer
   x = 585,330.31