Finding the Fourth Proportional to 12,412,976.96, 18,620,165.78 and 3,777,358.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,412,976.96 : 18,620,165.78 = 3,777,358.83 : x
2. Step 2: Convert to fraction form
   12,412,976.96/18,620,165.78 = 3,777,358.83/x
3. Step 3: Cross multiply
   12,412,976.96x = 18,620,165.78 × 3,777,358.83
4. Step 4: Simplify right side
   12,412,976.96x = 70,335,047,606,260.04
5. Step 5: Solve for x
   x = 70,335,047,606,260.04/12,412,976.96
6. Step 6: Final answer
   x = 5,666,251.36