Finding the Fourth Proportional to 2,118,870.70, 3,178,403.98 and 699,050.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,870.70 : 3,178,403.98 = 699,050.86 : x
2. Step 2: Convert to fraction form
   2,118,870.70/3,178,403.98 = 699,050.86/x
3. Step 3: Cross multiply
   2,118,870.70x = 3,178,403.98 × 699,050.86
4. Step 4: Simplify right side
   2,118,870.70x = 2,221,866,035,646.42
5. Step 5: Solve for x
   x = 2,221,866,035,646.42/2,118,870.70
6. Step 6: Final answer
   x = 1,048,608.60