Finding the Fourth Proportional to 8,448,003.58, 12,672,005.37 and 3,131,293.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,448,003.58 : 12,672,005.37 = 3,131,293.18 : x
2. Step 2: Convert to fraction form
   8,448,003.58/12,672,005.37 = 3,131,293.18/x
3. Step 3: Cross multiply
   8,448,003.58x = 12,672,005.37 × 3,131,293.18
4. Step 4: Simplify right side
   8,448,003.58x = 39,679,763,912,987.88
5. Step 5: Solve for x
   x = 39,679,763,912,987.88/8,448,003.58
6. Step 6: Final answer
   x = 4,696,939.76