Finding the Fourth Proportional to 12,084,609.72, 18,106,736.20 and 8,483,930.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,084,609.72 : 18,106,736.20 = 8,483,930.48 : x
2. Step 2: Convert to fraction form
   12,084,609.72/18,106,736.20 = 8,483,930.48/x
3. Step 3: Cross multiply
   12,084,609.72x = 18,106,736.20 × 8,483,930.48
4. Step 4: Simplify right side
   12,084,609.72x = 153,616,291,140,499.38
5. Step 5: Solve for x
   x = 153,616,291,140,499.38/12,084,609.72
6. Step 6: Final answer
   x = 12,711,729.60