Finding the Fourth Proportional to 2,058,083.42, 2,838,555.82 and 1,405,234.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,058,083.42 : 2,838,555.82 = 1,405,234.55 : x
2. Step 2: Convert to fraction form
   2,058,083.42/2,838,555.82 = 1,405,234.55/x
3. Step 3: Cross multiply
   2,058,083.42x = 2,838,555.82 × 1,405,234.55
4. Step 4: Simplify right side
   2,058,083.42x = 3,988,836,713,950.88
5. Step 5: Solve for x
   x = 3,988,836,713,950.88/2,058,083.42
6. Step 6: Final answer
   x = 1,938,131.70