Finding the Fourth Proportional to 188,641.83, 260,362.71 and 108,123.33

Step by Step Solution

1. Step 1: Write the proportion equation
   188,641.83 : 260,362.71 = 108,123.33 : x
2. Step 2: Convert to fraction form
   188,641.83/260,362.71 = 108,123.33/x
3. Step 3: Cross multiply
   188,641.83x = 260,362.71 × 108,123.33
4. Step 4: Simplify right side
   188,641.83x = 28,151,283,213.02
5. Step 5: Solve for x
   x = 28,151,283,213.02/188,641.83
6. Step 6: Final answer
   x = 149,231.39