Finding the Fourth Proportional to 2,590,518.01, 3,886,102.54 and 1,390,791.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590,518.01 : 3,886,102.54 = 1,390,791.29 : x
2. Step 2: Convert to fraction form
   2,590,518.01/3,886,102.54 = 1,390,791.29/x
3. Step 3: Cross multiply
   2,590,518.01x = 3,886,102.54 × 1,390,791.29
4. Step 4: Simplify right side
   2,590,518.01x = 5,404,757,557,724.92
5. Step 5: Solve for x
   x = 5,404,757,557,724.92/2,590,518.01
6. Step 6: Final answer
   x = 2,086,361.70