Finding the Fourth Proportional to 2,141,118.56, 3,208,878.16 and 877,466.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,118.56 : 3,208,878.16 = 877,466.72 : x
2. Step 2: Convert to fraction form
   2,141,118.56/3,208,878.16 = 877,466.72/x
3. Step 3: Cross multiply
   2,141,118.56x = 3,208,878.16 × 877,466.72
4. Step 4: Simplify right side
   2,141,118.56x = 2,815,683,793,934.84
5. Step 5: Solve for x
   x = 2,815,683,793,934.84/2,141,118.56
6. Step 6: Final answer
   x = 1,315,052.72