Finding the Fourth Proportional to 188,805.31, 260,558.72 and 103,930.27

Step by Step Solution

1. Step 1: Write the proportion equation
   188,805.31 : 260,558.72 = 103,930.27 : x
2. Step 2: Convert to fraction form
   188,805.31/260,558.72 = 103,930.27/x
3. Step 3: Cross multiply
   188,805.31x = 260,558.72 × 103,930.27
4. Step 4: Simplify right side
   188,805.31x = 27,079,938,120.45
5. Step 5: Solve for x
   x = 27,079,938,120.45/188,805.31
6. Step 6: Final answer
   x = 143,427.84