Finding the Fourth Proportional to 2,536,126.80, 3,499,855.05 and 1,390,182.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,536,126.80 : 3,499,855.05 = 1,390,182.54 : x
2. Step 2: Convert to fraction form
   2,536,126.80/3,499,855.05 = 1,390,182.54/x
3. Step 3: Cross multiply
   2,536,126.80x = 3,499,855.05 × 1,390,182.54
4. Step 4: Simplify right side
   2,536,126.80x = 4,865,437,383,040.83
5. Step 5: Solve for x
   x = 4,865,437,383,040.83/2,536,126.80
6. Step 6: Final answer
   x = 1,918,451.94