Finding the Fourth Proportional to 1,780,375.32, 2,456,919.31 and 1,045,185.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780,375.32 : 2,456,919.31 = 1,045,185.70 : x
2. Step 2: Convert to fraction form
   1,780,375.32/2,456,919.31 = 1,045,185.70/x
3. Step 3: Cross multiply
   1,780,375.32x = 2,456,919.31 × 1,045,185.70
4. Step 4: Simplify right side
   1,780,375.32x = 2,567,936,928,865.87
5. Step 5: Solve for x
   x = 2,567,936,928,865.87/1,780,375.32
6. Step 6: Final answer
   x = 1,442,357.07