Finding the Fourth Proportional to 12,158,076.09, 18,243,399.86 and 5,339,441.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,158,076.09 : 18,243,399.86 = 5,339,441.28 : x
2. Step 2: Convert to fraction form
   12,158,076.09/18,243,399.86 = 5,339,441.28/x
3. Step 3: Cross multiply
   12,158,076.09x = 18,243,399.86 × 5,339,441.28
4. Step 4: Simplify right side
   12,158,076.09x = 97,409,562,300,030.22
5. Step 5: Solve for x
   x = 97,409,562,300,030.22/12,158,076.09
6. Step 6: Final answer
   x = 8,011,922.41