Finding the Fourth Proportional to 2,549,667.43, 3,518,562.29 and 1,388,121.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549,667.43 : 3,518,562.29 = 1,388,121.65 : x
2. Step 2: Convert to fraction form
   2,549,667.43/3,518,562.29 = 1,388,121.65/x
3. Step 3: Cross multiply
   2,549,667.43x = 3,518,562.29 × 1,388,121.65
4. Step 4: Simplify right side
   2,549,667.43x = 4,884,192,491,622.58
5. Step 5: Solve for x
   x = 4,884,192,491,622.58/2,549,667.43
6. Step 6: Final answer
   x = 1,915,619.44