Finding the Fourth Proportional to 1,333,092.90, 2,000,105.91 and 386,520.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333,092.90 : 2,000,105.91 = 386,520.42 : x
2. Step 2: Convert to fraction form
   1,333,092.90/2,000,105.91 = 386,520.42/x
3. Step 3: Cross multiply
   1,333,092.90x = 2,000,105.91 × 386,520.42
4. Step 4: Simplify right side
   1,333,092.90x = 773,081,776,377.68
5. Step 5: Solve for x
   x = 773,081,776,377.68/1,333,092.90
6. Step 6: Final answer
   x = 579,915.91