Finding the Fourth Proportional to 10,340,786.09, 15,518,266.10 and 3,609,200.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,340,786.09 : 15,518,266.10 = 3,609,200.09 : x
2. Step 2: Convert to fraction form
   10,340,786.09/15,518,266.10 = 3,609,200.09/x
3. Step 3: Cross multiply
   10,340,786.09x = 15,518,266.10 × 3,609,200.09
4. Step 4: Simplify right side
   10,340,786.09x = 56,008,527,404,763.95
5. Step 5: Solve for x
   x = 56,008,527,404,763.95/10,340,786.09
6. Step 6: Final answer
   x = 5,416,273.67