Finding the Fourth Proportional to 2,608,069.95, 3,909,343.82 and 877,292.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608,069.95 : 3,909,343.82 = 877,292.10 : x
2. Step 2: Convert to fraction form
   2,608,069.95/3,909,343.82 = 877,292.10/x
3. Step 3: Cross multiply
   2,608,069.95x = 3,909,343.82 × 877,292.10
4. Step 4: Simplify right side
   2,608,069.95x = 3,429,636,445,083.36
5. Step 5: Solve for x
   x = 3,429,636,445,083.36/2,608,069.95
6. Step 6: Final answer
   x = 1,315,009.38