Finding the Fourth Proportional to 12,108,061.92, 18,161,568 and 3,009,969.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,108,061.92 : 18,161,568 = 3,009,969.12 : x
2. Step 2: Convert to fraction form
   12,108,061.92/18,161,568 = 3,009,969.12/x
3. Step 3: Cross multiply
   12,108,061.92x = 18,161,568 × 3,009,969.12
4. Step 4: Simplify right side
   12,108,061.92x = 54,665,758,850,780.16
5. Step 5: Solve for x
   x = 54,665,758,850,780.16/12,108,061.92
6. Step 6: Final answer
   x = 4,514,823.20