Finding the Fourth Proportional to 12,200,974.99, 18,301,383.46 and 3,102,993.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,200,974.99 : 18,301,383.46 = 3,102,993.96 : x
2. Step 2: Convert to fraction form
   12,200,974.99/18,301,383.46 = 3,102,993.96/x
3. Step 3: Cross multiply
   12,200,974.99x = 18,301,383.46 × 3,102,993.96
4. Step 4: Simplify right side
   12,200,974.99x = 56,789,082,336,023.91
5. Step 5: Solve for x
   x = 56,789,082,336,023.91/12,200,974.99
6. Step 6: Final answer
   x = 4,654,470.84