Finding the Fourth Proportional to 10,866,051.10, 16,294,929.45 and 3,290,499.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,866,051.10 : 16,294,929.45 = 3,290,499.10 : x
2. Step 2: Convert to fraction form
   10,866,051.10/16,294,929.45 = 3,290,499.10/x
3. Step 3: Cross multiply
   10,866,051.10x = 16,294,929.45 × 3,290,499.10
4. Step 4: Simplify right side
   10,866,051.10x = 53,618,450,689,788.49
5. Step 5: Solve for x
   x = 53,618,450,689,788.49/10,866,051.10
6. Step 6: Final answer
   x = 4,934,492.78