Finding the Fourth Proportional to 151,923.34, 209,650.71 and 83,936.80

Step by Step Solution

1. Step 1: Write the proportion equation
   151,923.34 : 209,650.71 = 83,936.80 : x
2. Step 2: Convert to fraction form
   151,923.34/209,650.71 = 83,936.80/x
3. Step 3: Cross multiply
   151,923.34x = 209,650.71 × 83,936.80
4. Step 4: Simplify right side
   151,923.34x = 17,597,409,715.13
5. Step 5: Solve for x
   x = 17,597,409,715.13/151,923.34
6. Step 6: Final answer
   x = 115,830.85