Finding the Fourth Proportional to 2,783,279.79, 4,173,603.62 and 1,078,221.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783,279.79 : 4,173,603.62 = 1,078,221.69 : x
2. Step 2: Convert to fraction form
   2,783,279.79/4,173,603.62 = 1,078,221.69/x
3. Step 3: Cross multiply
   2,783,279.79x = 4,173,603.62 × 1,078,221.69
4. Step 4: Simplify right side
   2,783,279.79x = 4,500,069,943,155.41
5. Step 5: Solve for x
   x = 4,500,069,943,155.41/2,783,279.79
6. Step 6: Final answer
   x = 1,616,822.70