Finding the Fourth Proportional to 2,058,084.17, 2,838,556.85 and 1,405,235.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058,084.17 : 2,838,556.85 = 1,405,235.31 : x
2. Step 2: Convert to fraction form
   2,058,084.17/2,838,556.85 = 1,405,235.31/x
3. Step 3: Cross multiply
   2,058,084.17x = 2,838,556.85 × 1,405,235.31
4. Step 4: Simplify right side
   2,058,084.17x = 3,988,840,308,036.20
5. Step 5: Solve for x
   x = 3,988,840,308,036.20/2,058,084.17
6. Step 6: Final answer
   x = 1,938,132.74