Finding the Fourth Proportional to 2,078,697.30, 3,117,608.55 and 880,658.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078,697.30 : 3,117,608.55 = 880,658.70 : x
2. Step 2: Convert to fraction form
   2,078,697.30/3,117,608.55 = 880,658.70/x
3. Step 3: Cross multiply
   2,078,697.30x = 3,117,608.55 × 880,658.70
4. Step 4: Simplify right side
   2,078,697.30x = 2,745,549,092,751.88
5. Step 5: Solve for x
   x = 2,745,549,092,751.88/2,078,697.30
6. Step 6: Final answer
   x = 1,320,802.74