Finding the Fourth Proportional to 82,133.36, 123,199.83 and 19,803.86

Step by Step Solution

1. Step 1: Write the proportion equation
   82,133.36 : 123,199.83 = 19,803.86 : x
2. Step 2: Convert to fraction form
   82,133.36/123,199.83 = 19,803.86/x
3. Step 3: Cross multiply
   82,133.36x = 123,199.83 × 19,803.86
4. Step 4: Simplify right side
   82,133.36x = 2,439,832,185.34
5. Step 5: Solve for x
   x = 2,439,832,185.34/82,133.36
6. Step 6: Final answer
   x = 29,705.74