Finding the Fourth Proportional to 196,298.56, 293,118.05 and 155,863.81

Step by Step Solution

1. Step 1: Write the proportion equation
   196,298.56 : 293,118.05 = 155,863.81 : x
2. Step 2: Convert to fraction form
   196,298.56/293,118.05 = 155,863.81/x
3. Step 3: Cross multiply
   196,298.56x = 293,118.05 × 155,863.81
4. Step 4: Simplify right side
   196,298.56x = 45,686,496,052.77
5. Step 5: Solve for x
   x = 45,686,496,052.77/196,298.56
6. Step 6: Final answer
   x = 232,739.84