Finding the Fourth Proportional to 2,608,060.65, 3,909,329.88 and 877,282.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608,060.65 : 3,909,329.88 = 877,282.83 : x
2. Step 2: Convert to fraction form
   2,608,060.65/3,909,329.88 = 877,282.83/x
3. Step 3: Cross multiply
   2,608,060.65x = 3,909,329.88 × 877,282.83
4. Step 4: Simplify right side
   2,608,060.65x = 3,429,587,971,179.88
5. Step 5: Solve for x
   x = 3,429,587,971,179.88/2,608,060.65
6. Step 6: Final answer
   x = 1,314,995.48