Finding the Fourth Proportional to 2,608,876.10, 3,911,564.55 and 1,188,200.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608,876.10 : 3,911,564.55 = 1,188,200.90 : x
2. Step 2: Convert to fraction form
   2,608,876.10/3,911,564.55 = 1,188,200.90/x
3. Step 3: Cross multiply
   2,608,876.10x = 3,911,564.55 × 1,188,200.90
4. Step 4: Simplify right side
   2,608,876.10x = 4,647,724,518,718.10
5. Step 5: Solve for x
   x = 4,647,724,518,718.10/2,608,876.10
6. Step 6: Final answer
   x = 1,781,504.50