Finding the Fourth Proportional to 20,158,105.76, 27,820,320.41 and 12,322,204.76

Step by Step Solution

1. Step 1: Write the proportion equation
   20,158,105.76 : 27,820,320.41 = 12,322,204.76 : x
2. Step 2: Convert to fraction form
   20,158,105.76/27,820,320.41 = 12,322,204.76/x
3. Step 3: Cross multiply
   20,158,105.76x = 27,820,320.41 × 12,322,204.76
4. Step 4: Simplify right side
   20,158,105.76x = 342,807,684,580,827.12
5. Step 5: Solve for x
   x = 342,807,684,580,827.12/20,158,105.76
6. Step 6: Final answer
   x = 17,005,947.32