Finding the Fourth Proportional to 10,852,872.90, 16,281,642.15 and 3,280,604.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,852,872.90 : 16,281,642.15 = 3,280,604.10 : x
2. Step 2: Convert to fraction form
   10,852,872.90/16,281,642.15 = 3,280,604.10/x
3. Step 3: Cross multiply
   10,852,872.90x = 16,281,642.15 × 3,280,604.10
4. Step 4: Simplify right side
   10,852,872.90x = 53,413,621,992,022.82
5. Step 5: Solve for x
   x = 53,413,621,992,022.82/10,852,872.90
6. Step 6: Final answer
   x = 4,921,611.31