Finding the Fourth Proportional to 216,959,022.81, 299,405,650.73 and 117,840,727.89

Step by Step Solution

1. Step 1: Write the proportion equation
   216,959,022.81 : 299,405,650.73 = 117,840,727.89 : x
2. Step 2: Convert to fraction form
   216,959,022.81/299,405,650.73 = 117,840,727.89/x
3. Step 3: Cross multiply
   216,959,022.81x = 299,405,650.73 × 117,840,727.89
4. Step 4: Simplify right side
   216,959,022.81x = 35,282,179,815,813,108
5. Step 5: Solve for x
   x = 35,282,179,815,813,108/216,959,022.81
6. Step 6: Final answer
   x = 162,621,399.00