Finding the Fourth Proportional to 12,418,451.48, 18,626,535.24 and 3,320,222.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,418,451.48 : 18,626,535.24 = 3,320,222.96 : x
2. Step 2: Convert to fraction form
   12,418,451.48/18,626,535.24 = 3,320,222.96/x
3. Step 3: Cross multiply
   12,418,451.48x = 18,626,535.24 × 3,320,222.96
4. Step 4: Simplify right side
   12,418,451.48x = 61,844,249,969,097.10
5. Step 5: Solve for x
   x = 61,844,249,969,097.10/12,418,451.48
6. Step 6: Final answer
   x = 4,980,029.12