Finding the Fourth Proportional to 104,218.51, 156,311.42 and 33,131.83

Step by Step Solution

1. Step 1: Write the proportion equation
   104,218.51 : 156,311.42 = 33,131.83 : x
2. Step 2: Convert to fraction form
   104,218.51/156,311.42 = 33,131.83/x
3. Step 3: Cross multiply
   104,218.51x = 156,311.42 × 33,131.83
4. Step 4: Simplify right side
   104,218.51x = 5,178,882,612.94
5. Step 5: Solve for x
   x = 5,178,882,612.94/104,218.51
6. Step 6: Final answer
   x = 49,692.54